If you’re experiencing issues with your Yaesu FT-991 transceiver, a factory reset may be the solution. By restoring your device to its original default settings, you can potentially resolve a wide range of problems, including software glitches, incorrect configurations, and persistent errors. However, it’s important to approach this process with caution, as a factory reset will delete all your customized settings, memories, and stored data. Therefore, it’s highly recommended to create a backup of your current configuration before proceeding.
To initiate the factory reset process, first power on your FT-991 and navigate to the “Menu” screen using the corresponding button. Use the arrow keys to scroll through the menu options until you reach the “System” menu. Within the “System” menu, select the “Reset” option and confirm your choice by pressing the “Enter” button. The transceiver will then display a warning message, prompting you to confirm the factory reset. Carefully read the message to ensure you understand the implications, and if you’re absolutely certain you want to proceed, select the “Yes” option. The FT-991 will initiate the reset process, which may take a few moments to complete. Once the reset is finished, your transceiver will restart and be restored to its factory default settings.
After the factory reset, you’ll need to reconfigure your FT-991 to your specific operating preferences. This includes setting up your operating frequencies, adjusting the power output, and configuring any other desired features. It’s also recommended to restore your backup file if you created one before the reset, as this will allow you to quickly recover your previous settings and memories. By following these steps, you can effectively factory reset your Yaesu FT-991 transceiver and resolve a variety of potential issues. Remember to approach the process with caution and create a backup beforehand, and you’ll be able to restore your device to its original state without any significant data loss.
Powering Off and Unplugging the FT-991
To factory reset the FT-991, the first step is to power off and unplug the device. This process ensures that the device is completely turned off and disconnected from any power source.
Detailed Steps for Powering Off and Unplugging the FT-991
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Locate the Power Switch: Identify the power switch on the FT-991. It is typically located on the rear panel of the device.
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Turn Off the Power: Press the power switch to the "OFF" position. The device will power down, and the display will turn off.
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Wait for the Device to Cool: Allow the FT-991 to cool down for a few minutes. This prevents any damage to the device’s components due to residual heat.
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Unplug the Power Cord: Locate the power cord connected to the FT-991. Gently pull the plug out of the power outlet.
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Unplug the Antenna and Accessories: Disconnect any antennas or accessories connected to the FT-991. These include the microphone, headphones, and external speakers.
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Confirm Power Loss: Ensure that the FT-991 is completely powered off. If the display is still on or any lights are still lit, double-check the power switch and unplug the power cord again.
By following these meticulous steps, you can effectively power off and unplug the FT-991, preparing it for the factory reset process.
Holding Down the “Power” and “F” Buttons
To perform a factory reset on your FT-991 transceiver, follow these steps:
- Turn off the FT-991.
- Locate the "Power" and "F" buttons on the front panel of the transceiver.
- Press and hold down the "Power" and "F" buttons simultaneously.
- While holding down the "Power" and "F" buttons, turn on the FT-991.
- Continue to hold down the "Power" and "F" buttons until the display shows "Factory Reset?".
- Release the "Power" and "F" buttons.
- Press the "Yes" or "No" button to confirm the factory reset.
- If you press "Yes", the FT-991 will perform a factory reset and restore all settings to their default values.
- If you press "No", the factory reset will be cancelled and the FT-991 will not be reset.
Understanding the Effects of a Factory Reset
Performing a factory reset on your FT-991 transceiver will erase all of the settings that you have made, including:
- Memory channels
- Frequency settings
- Power settings
- Mode settings
- Menu settings
After a factory reset, the FT-991 will be restored to its original factory settings.
Deciding Whether to Perform a Factory Reset
There are several reasons why you might want to perform a factory reset on your FT-991 transceiver. For example, you might want to reset the transceiver to its default settings if you are experiencing problems. You might also want to reset the transceiver if you are selling it or giving it away.
However, it is important to note that a factory reset will erase all of your settings. Therefore, you should only perform a factory reset if you are sure that you want to erase all of your settings.
Additional Information
The following table provides additional information about the factory reset process:
| Step | Description |
|---|---|
| 1 | Turn off the FT-991. |
| 2 | Locate the "Power" and "F" buttons on the front panel of the transceiver. |
| 3 | Press and hold down the "Power" and "F" buttons simultaneously. |
| 4 | While holding down the "Power" and "F" buttons, turn on the FT-991. |
| 5 | Continue to hold down the "Power" and "F" buttons until the display shows "Factory Reset?". |
| 6 | Release the "Power" and "F" buttons. |
| 7 | Press the "Yes" or "No" button to confirm the factory reset. |
| 8 | If you press "Yes", the FT-991 will perform a factory reset and restore all settings to their default values. |
| 9 | If you press "No", the factory reset will be cancelled and the FT-991 will not be reset. |
Observing the Display While Pressing the Buttons
4. Resetting the FT-991
To factory reset the FT-991, follow these steps:
a) Turn Off the Power
Before beginning the reset process, ensure that the FT-991 is powered off.
b) Hold Down the Reset Button
Locate the “RESET” button on the rear panel of the FT-991. While holding down the “RESET” button, proceed to the next step.
c) Turn On the Power
With the “RESET” button still held down, turn on the FT-991. Continue holding down the “RESET” button.
d) Observe the Display
As you hold down the “RESET” button, observe the display on the front panel of the FT-991. The display will show a sequence of messages, including:
| Message | Description |
|—|—|
| “RST?” | Prompts you to confirm the factory reset |
| “RST Y/N” | Asks you to select “Y” for yes or “N” for no |
e) Release the Reset Button
Once the “RST Y/N” message appears on the display, release the “RESET” button.
f) Select “Y” to Reset
To factory reset the FT-991, press the “YES” button. The display will show the following messages:
| Message | Description |
|—|—|
| “RST FLOP” | Resetting the floppy drive |
| “RST PC” | Resetting the computer |
| “RST DISPLAY” | Resetting the display |
| “RST DSP” | Resetting the DSP |
| “RST EEPROM” | Resetting the EEPROM |
| “RST KEY” | Resetting the keypad |
| “RST ALL” | Resetting all settings |
g) Wait for Reset to Complete
The FT-991 will now perform the factory reset. This process may take several minutes.
h) Power Cycle the FT-991
Once the reset is complete, turn off the FT-991. Wait a few seconds and then turn it back on. The FT-991 will now be reset to its factory default settings.
Pressing the “Yes” Button to Initiate Reset
Once you have successfully entered the factory reset menu, you will be presented with a confirmation prompt asking you to confirm your selection. The prompt will typically display a message such as “Do you really want to reset the radio to factory defaults?”.
To proceed with the reset, you must use the arrow keys on the front panel of the FT-991 to navigate to the “Yes” option and press the “Enter” button. This will initiate the reset process.
Additional Details
Here are some important details to keep in mind when pressing the “Yes” button to initiate the reset:
- Be absolutely certain that you want to reset the radio before proceeding. The factory reset will erase all of your custom settings and data, including memories, preferences, and calibrations.
- If you have any doubts, it is recommended to cancel the reset and consult with a qualified technician or the Yaesu support team.
- The reset process may take several minutes to complete. During this time, the FT-991 will display a progress bar or other indicator.
- Once the reset is complete, the FT-991 will automatically reboot. You will then need to re-enter your basic settings, such as your call sign and operating frequency.
Troubleshooting Tips
If you encounter any issues when pressing the “Yes” button to initiate the reset, here are some troubleshooting tips:
- Make sure that you are pressing the “Yes” option correctly. The arrow keys may be sensitive, so be sure to press them firmly.
- Try pressing the “Enter” button multiple times. Sometimes, the button may not register the first press.
- If the reset process does not start after pressing the “Yes” button, try restarting the FT-991.
If you are still having trouble resetting your FT-991, please contact Yaesu support for assistance.
Waiting for the Reset Process to Complete
Once you have initiated the factory reset process, the Ft-991 will go through a series of steps to reset all of its settings to their default values. This process can take several minutes to complete, so be patient and do not interrupt it.
During the reset process, the Ft-991 will display a series of messages on its display. These messages will indicate the progress of the reset process and the current status of the radio.
Here is a brief description of each of the messages that you may see during the reset process:
| Message | Description |
|---|---|
| “Resetting…” | The Ft-991 is resetting its settings to their default values. |
| “Please wait…” | The Ft-991 is still resetting its settings. Do not interrupt the process. |
| “Reset complete.” | The Ft-991 has successfully reset its settings to their default values. |
Once the reset process is complete, the Ft-991 will restart automatically. Once the radio has restarted, you will need to reconfigure all of its settings before you can use it again.
Here are a few tips for waiting for the reset process to complete:
- Do not interrupt the reset process. If you interrupt the process, the Ft-991 may not be able to reset its settings properly.
- Be patient. The reset process can take several minutes to complete. Do not power off the Ft-991 during the reset process.
- If the reset process does not complete successfully, you may need to contact Yaesu for assistance.
Factory Resetting the FT-991
To perform a factory reset on the FT-991, follow these steps:
- Turn off the FT-991 by pressing and holding the [PWR] button for a few seconds.
- Press and hold the [FUNC] and [RIT/XIT] buttons while turning on the radio by pressing the [PWR] button.
- Continue to hold the [FUNC] and [RIT/XIT] buttons until the message “RESET” appears on the display.
- Release the [FUNC] and [RIT/XIT] buttons.
- Press the [ENT] button to confirm the factory reset.
- The FT-991 will restart with factory default settings.
Calibrating the FT-991 for Optimal Performance
The FT-991 is a high-performance amateur radio transceiver that can be calibrated for optimal performance. Calibration should be performed by an experienced technician or by following the manufacturer’s instructions carefully.
Antenna Tuning
The FT-991 should be calibrated for the antenna system that is being used. The antenna calibration procedure will ensure that the FT-991 matches the impedance of the antenna and minimizes signal loss.
Receiver Sensitivity
The FT-991’s receiver sensitivity can be calibrated to improve its ability to receive weak signals. The receiver calibration procedure should be performed in a quiet environment with no background noise.
Transmitter Power Output
The FT-991’s transmitter power output can be calibrated to ensure that it is transmitting at the correct power level. The transmitter calibration procedure should be performed using a power meter.
Receiver Offset
The FT-991’s receiver offset can be calibrated to ensure that it is receiving signals at the correct frequency. The receiver offset calibration procedure should be performed using a signal generator.
Transmitter Offset
The FT-991’s transmitter offset can be calibrated to ensure that it is transmitting signals at the correct frequency. The transmitter offset calibration procedure should be performed using a frequency counter.
To ensure the best possible accuracy, the FT-991 should be calibrated periodically. The calibration interval will vary depending on the frequency of use and the operating environment.
Calibration Procedure
The FT-991 calibration procedure is described in the radio’s operating manual. Please follow the instructions carefully to ensure that the calibration is performed correctly.
Calibration Data
The calibration data for the FT-991 can be saved to a file. This allows the calibration data to be restored in the event that the FT-991’s settings are lost or corrupted.
Tips
- Use a high-quality power meter for the transmitter power output calibration.
- Use a high-quality frequency counter for the receiver offset and transmitter offset calibration.
- Perform the calibration in a quiet environment with no background noise.
- Follow the instructions in the FT-991’s operating manual carefully.
- Save the calibration data to a file.
Restoring Custom Settings and Configurations
This section provides guidance on restoring custom settings and configurations to their factory default values. In case you wish to revert any specific settings to their defaults without affecting the overall configuration, follow the steps below.
Restoring Individual Settings
To restore individual settings to their factory defaults:
1. Navigate to the desired setting using the front panel controls or the provided software interface.
2. Locate the “Reset to Default” or “Factory Reset” option associated with that particular setting.
3. Activate the “Reset to Default” option to restore the setting to its original value.
Resetting Menu Settings
To reset all menu settings to their factory defaults:
1. Access the “Menu” or “Setup” menu on the front panel or software interface.
2. Navigate to “General Settings” or “Reset” options.
3. Select the “Reset Menu Settings” or “Factory Reset” option.
4. Confirm the reset operation by selecting “Yes” or “OK.”
Restoring Custom Memories
To restore custom memories to their factory defaults:
1. Access the “Memory” menu on the front panel or software interface.
2. Select “Memory Control” or “Memory Management” options.
3. Locate the desired custom memory and press the “Reset” or “Factory Reset” button associated with it.
4. Confirm the reset operation by selecting “Yes” or “OK.”
Restoring Configuration Files
To restore configuration files to their factory defaults:
1. Access the “Configuration” menu on the front panel or software interface.
2. Select “File Management” or “Load/Save Settings” options.
3. Select “Load Factory Default” or “Reset Configuration” options.
4. Confirm the reset operation by selecting “Yes” or “OK.”
Restoring All Settings
To restore all settings, including menu settings, memories, and configuration files, to their factory defaults:
1. Access the “System” or “General” menu on the front panel or software interface.
2. Select “Factory Reset” or “Reset Everything” options.
3. Confirm the reset operation by selecting “Yes” or “OK.”
4. Wait for the reset process to complete.
Additional Notes
Before proceeding with a factory reset, it is highly recommended to back up any critical settings or custom configurations that you wish to preserve. This ensures that you can restore these settings later if necessary.
The factory reset process may vary slightly depending on the specific model or firmware version of the FT-991 transceiver. Consult the user manual or seek guidance from a qualified technician if you encounter any difficulties during the reset process.
Factory Reset Troubleshooting
If you encounter any issues or errors during the factory reset process, consider the following troubleshooting tips:
| Issue | Possible Cause | Solution |
|---|---|---|
| Reset operation fails | Insufficient privileges or access rights | Ensure that you have the necessary permissions to perform a factory reset |
| Loss of important settings | Failure to back up settings before reset | Always back up critical settings before performing a factory reset. |
| Device becomes unresponsive | Unexpected interruptions during reset process | Allow the reset process to complete without interruptions. If the issue persists, contact a qualified technician for assistance. |
Backing Up Essential Data Before Resetting
Before proceeding with a factory reset, it is crucial to back up essential data to prevent potential data loss. Here is a step-by-step guide on how to create a backup:
1. Connect to a PC
Establish a connection between your FT-991 and a Windows PC using the USB cable provided.
2. Open Yaesu Software
Launch the Yaesu FT-991 Software on your computer.
3. Select the “Memory Manage” Tab
Within the software, navigate to the “Memory Manage” tab.
4. Choose “File” > “Memory Backup”
From the menu bar, select “File” and then click on the “Memory Backup” option.
5. Select Memory Channels to Backup
In the Memory Backup window, select the specific memory channels you wish to back up.
6. Choose a Backup Location
Specify the desired location on your PC where you want to store the backup file.
7. Click “OK” to Initiate Backup
Confirm the backup settings and click “OK” to initiate the backup process.
8. Verify Backup Completion
Once the backup is complete, verify that the backup file is saved in the chosen location on your computer.
Tips for Managing Backup Files
* Store backup files in multiple locations to enhance data security.
* Use a cloud storage service or external hard drive for secure off-site backup.
* Regularly create backups to ensure that essential data is always backed up.
* Keep backup files organized and clearly labeled for easy retrieval.
Factory Reset as a Troubleshooting Measure
Factory reset, also known as hard reset, is a procedure that restores a device to its original factory settings. This can be done to troubleshoot issues, such as when a device is unresponsive or experiencing software problems. When performing a factory reset on the Yaesu FT-991, it’s important to note that it will erase all user data and settings, including customized configurations, saved memories, and stored messages.
Before You Start:
Before proceeding with a factory reset, consider the following:
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Step-by-Step Factory Reset Instructions:
To perform a factory reset on the Yaesu FT-991, follow these steps:
1.
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4.
5.
6.
7.
8.
9.
Additional Information:
Here are some additional details and considerations regarding factory resets on the Yaesu FT-991:
*
| Reset Option | Description |
|---|---|
| Factory Reset | Resets all settings and data to factory defaults. |
| Memory Reset | Clears all stored memories. |
| Setup Reset | Resets various setup parameters, such as power output, microphone gain, and keyer settings. |
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Understanding the Impact of Factory Reset
A factory reset, also known as a hard reset, is a process of restoring an electronic device to its default settings. This involves erasing all data, including personal settings, saved files, and installed applications, from the device. Performing a factory reset can be useful in troubleshooting software issues, removing viruses or malware, or preparing a device for sale or disposal. However, it is important to understand the potential consequences before proceeding with a factory reset.
The impact of a factory reset can vary depending on the device and the specific settings that are restored. In general, the following effects can be expected:
- All user data, including photos, videos, music, documents, and contacts, will be deleted.
- All installed applications and their associated data will be removed.
- All personal settings, such as Wi-Fi passwords, Bluetooth connections, and keyboard preferences, will be reset to their default values.
- The device’s operating system will be restored to its original state, which may include updates and security patches that have been installed since the device was first purchased.
It is important to note that a factory reset is a permanent action and cannot be undone. Therefore, it is essential to back up all important data before performing a factory reset. This can be done using cloud storage services, external hard drives, or by simply copying files to another device.
Once a factory reset has been performed, the device will need to be reconfigured from scratch. This includes setting up Wi-Fi connections, installing essential applications, and restoring any desired settings. The process of reconfiguring a device can be time-consuming, so it is important to allocate sufficient time for this task.
In some cases, a factory reset may not be sufficient to resolve a software issue. If the issue persists after performing a factory reset, it may be necessary to seek professional repair services.
Tips for Performing a Factory Reset
- Back up all important data before performing a factory reset.
- Follow the instructions provided by the device manufacturer carefully.
- Allow sufficient time for the factory reset process to complete.
- Be patient and do not interrupt the factory reset process.
- Once the factory reset is complete, reconfigure the device from scratch.
Conclusion
A factory reset can be a useful tool for troubleshooting software issues, removing viruses or malware, or preparing a device for sale or disposal. However, it is important to understand the potential consequences before proceeding with a factory reset. By following the tips outlined in this article, you can safely and effectively perform a factory reset on your device.
Managing User Preferences and Customization
General Settings
Customize the general settings of your FT-991, including language, time zone, and display brightness.
Display Settings
Configure the display settings, such as contrast, color, and screen timeout.
Keyboard Settings
Adjust the keyboard settings, including key repeat rate, cursor blink rate, and cursor speed.
Sound Settings
Control the volume and other sound settings for the device, including notifications, alarms, and ringtones.
Data Backup and Restore
Create backups of your device data and restore them to factory default settings if necessary.
Menu Customization
Rearrange the menus and icons to suit your preferences and streamline your workflow.
System Updates
Check for and install software updates to keep your device running smoothly and with the latest features.
Security Settings
Configure the security settings of your FT-991, including screen lock, password protection, and anti-theft measures.
Remote Control
Enable or disable remote access to your device and configure the settings for remote control.
Advanced Settings
Access advanced settings for power management, network, and other technical configurations.
23. Creating and Managing Custom Profiles
The FT-991 allows you to create and manage multiple custom profiles, which can be used to store different sets of settings and configurations for different users or operating conditions.
To create a new profile:
- Go to the “Settings” menu.
- Select “Profiles.”
- Tap on “Add Profile.”
- Enter a name for the profile.
- Tap on “Create.”
Once you have created a profile, you can customize its settings by navigating through the various menus. You can adjust the following settings for each profile:
| Setting | Description |
|---|---|
| General Settings | Language, time zone, display brightness |
| Display Settings | Contrast, color, screen timeout |
| Keyboard Settings | Key repeat rate, cursor blink rate, cursor speed |
| Sound Settings | Volume, notifications, alarms, ringtones |
| Data Backup and Restore | Backups, factory resets |
| Menu Customization | Menu and icon arrangement |
| System Updates | Software updates |
| Security Settings | Screen lock, password protection, anti-theft |
| Remote Control | Remote access settings |
| Advanced Settings | Power management, network, technical configurations |
To switch between profiles, simply go to the “Profiles” menu and select the desired profile.
Enhancing the FT-991’s Performance
The Yaesu FT-991 is a versatile amateur radio that offers a wide range of features and capabilities. However, there are several ways to further enhance the performance of this transceiver. Here are some tips:
Upgrade the Antenna
The antenna is the most important part of any radio system, and the FT-991 is no exception. A good antenna will greatly improve transmit and receive performance. There are many different types of antennas available, so it is important to choose one that is right for your specific needs and location.
Use a Linear Amplifier
A linear amplifier can significantly increase the transmit power of the FT-991. This can be especially useful for long-distance communications or when operating in weak signal conditions. There are many different types of linear amplifiers available, so it is important to choose one that is compatible with the FT-991 and your operating requirements.
Install a Noise Reduction System
Noise reduction systems can help to reduce background noise and improve the clarity of incoming signals. The FT-991 has a built-in noise reduction system, but there are also a number of third-party noise reduction systems that can be used with this transceiver.
Upgrade the Firmware
Yaesu periodically releases firmware updates for the FT-991. These updates can include new features, performance improvements, and bug fixes. It is important to keep the FT-991’s firmware up to date to ensure that you are getting the most from this transceiver.
Factory Reset
A factory reset can restore the FT-991 to its original factory settings. This can be useful if you are experiencing problems with the transceiver or if you want to start over with a clean slate.
To perform a factory reset:
- Turn off the FT-991.
- Press and hold the "F" and "VOL" buttons simultaneously.
- Turn on the FT-991 while continuing to hold the "F" and "VOL" buttons.
- Release the "F" and "VOL" buttons when you see the "RESET" message on the display.
- The FT-991 will now reset to its original factory settings.
Additional Tips
Here are some additional tips for enhancing the performance of the FT-991:
- Use high-quality coaxial cables.
- Keep the FT-991 properly grounded.
- Avoid operating the FT-991 near sources of electrical noise.
- Use a power supply that is capable of providing adequate current for the FT-991.
- Keep the FT-991 firmware up to date.
- Experiment with different settings to find what works best for your specific needs.
Conclusion
By following these tips, you can enhance the performance of the FT-991 and get the most out of this versatile transceiver.
Optimizing Settings for Specific Applications
28. Optimizing for Digital Modes
Digital modes, such as FT8, FT4, and JS8Call, require specialized settings to achieve optimal performance. Here are some key considerations:
– **Filter Bandwidth**:
Narrow filter bandwidths (e.g., 500 Hz) are essential to minimize interference from adjacent signals. Adjust the filter width according to the mode and signal conditions.
– **DSP Noise Reduction**:
Enable DSP noise reduction to suppress background noise and enhance signal visibility. Adjust the settings to optimize noise reduction while avoiding excessive distortion.
– **Automatic Gain Control (AGC)**:
Set the AGC to “Fast” mode to ensure rapid signal level adjustments. This helps maintain optimal signal levels, especially for weak signals.
– **DSP Equalizer**:
The DSP equalizer can be used to compensate for frequency response variations in the antenna or transmission line. Use a spectrum analyzer to identify and adjust peaks or dips.
– **Power Output**:
Adjust the output power to ensure strong signals without overdriving the transmitter. Monitor the power meter and adjust the output level accordingly.
– **Beacon Interval and Time**:
For modes like FT8, set appropriate beacon intervals and transmission times. Consider propagation conditions and network activity to maximize the chances of reliable communication.
[Sample Settings for Digital Modes]
| Setting | Recommended Value |
|---|---|
| Filter Bandwidth | 500 Hz |
| DSP Noise Reduction | Weak |
| AGC | Fast |
| DSP Equalizer | Adjust as needed |
| Power Output | 10-20 W |
| Beacon Interval (FT8) | 15 minutes |
| Beacon Time (FT8) | Optimal time based on propagation |
– **Additional Tips**:
Use high-quality cables and connectors to minimize signal loss. Ensure the antenna is properly aligned and has a clear view of the horizon. Consider using external antennas for improved performance.
Setting Up Default Frequencies for Each Band
The FT-991 allows you to set up default frequencies for each band, which can be easily accessed via the VFO buttons. This feature is particularly useful for quickly switching to your favorite operating frequencies.
- Navigate to the Main Menu by pressing the MENU button.
- Use the up/down arrow keys to select Preset and press ENTER.
- Use the arrow keys to select Set Default Frequency and press ENTER.
- Select the desired band using the up/down arrow keys and press ENTER.
- Enter the default frequency for that band using the numeric keypad and press ENTER.
- Repeat steps 4-5 for each band you wish to customize.
Creating and Managing Favorite Memories
The FT-991 offers a robust memory management system, allowing you to store frequently used frequencies, channels, and settings. These memories can be easily recalled using dedicated function keys or by navigating the memory menu.
- To create a new memory, navigate to the desired operating mode and tune to the desired frequency or channel.
- Press the MEMO button to open the memory menu.
- Select an empty memory location using the up/down arrow keys and press ENTER.
- Enter a descriptive name for the memory (optional) and press ENTER.
- Press YES to confirm creating the memory.
To recall a memory, simply press one of the dedicated memory function keys (M1-M4) or navigate to the memory location in the memory menu by pressing MEMO.
Customizing the Display Settings
The FT-991 provides a wide range of display options to cater to your preferences. You can customize the brightness, contrast, screen timeout, and color scheme of the display.
- Navigate to the Main Menu by pressing the MENU button.
- Use the up/down arrow keys to select Preferences and press ENTER.
- Use the arrow keys to select Display Settings and press ENTER.
- Use the up/down arrow keys to select the desired display option and press ENTER.
- Adjust the settings using the arrow keys or numeric keypad as necessary.
- Press EXIT to save your changes and return to the previous menu.
Setting Up CW Sidetone and Pitch
The FT-991 allows you to adjust the sidetone and pitch of the CW signal generated by the radio. This is particularly useful for customizing the audio feedback you receive when sending CW signals.
- Navigate to the CW Mode Menu by pressing the CW button.
- Use the up/down arrow keys to select CW Sidetone and press ENTER.
- Use the arrow keys to adjust the sidetone frequency and amplitude as desired.
- Press MENU to return to the previous menu.
- Use the up/down arrow keys to select CW Pitch and press ENTER.
- Use the arrow keys to adjust the CW pitch as desired.
- Press MENU to save your changes and return to the previous menu.
Managing the Antenna Tuner
The FT-991 features a built-in antenna tuner that allows you to match your antenna system to the radio for optimal performance. The tuner can be automatically or manually adjusted, depending on your preference.
- To tune the antenna automatically, press the AUTO TUNE button.
- To manually tune the antenna, navigate to the Antenna Tuner Menu by pressing the TUNE button.
- Use the up/down arrow keys to select the desired matching method (SWR or Impedance) and press ENTER.
- Use the arrow keys to adjust the matching parameters (L and C) as necessary.
- Press MENU to save your changes and return to the previous menu.
Split Operation
The FT-991 supports split operation, allowing you to transmit and receive on different frequencies simultaneously. This is particularly useful for working satellites or DXpeditions.
- To set up split operation, navigate to the desired operating mode and tune to the desired transmit frequency.
- Press the SPLIT button to activate split mode.
- Tune to the desired receive frequency using the VFO dial.
- Press the SPLIT button again to deactivate split mode.
Voicing the Menus
The FT-991 has a unique feature that allows you to voice the menu options, making it easier to navigate the radio’s menus without having to look at the display.
- Navigate to the Main Menu by pressing the MENU button.
- Use the up/down arrow keys to select Preferences and press ENTER.
- Use the arrow keys to select Voice Output and press ENTER.
- Turn on the Voice Output setting and adjust the volume as desired.
- Press EXIT to save your changes and return to the previous menu.
Microphone Settings
The FT-991 allows you to customize the settings of the microphone connected to the radio. You can adjust the microphone gain, compression, and equalization for optimal audio quality.
- Navigate to the Mic Menu by pressing the MIC button.
- Use the up/down arrow keys to select Gain and press ENTER.
- Use the arrow keys to adjust the microphone gain as desired.
- Use the up/down arrow keys to select Compression and press ENTER.
- Use the arrow keys to adjust the microphone compression as desired.
- Use the up/down arrow keys to select Equalization and press ENTER.
- Use the arrow keys to adjust the microphone equalization as desired.
- Press MENU to save your changes and return to the previous menu.
Other Customization Options
In addition to the aforementioned settings, the FT-991 offers a plethora of other customization options to suit your specific needs. These options include:
| Setting | Description |
|---|---|
| Beacon Receiver | Configure the beacon receiver settings for automatic beacon tracking. |
| CAT Control | Enable and configure remote control of the radio via a computer. |
| Power Output | Adjust the maximum power output of the radio. |
| Softkeys | Configure the function of the softkeys located below the display. |
| Transmit Power Monitor | Monitor the transmit power output in real time. |
Restoring Lost or Corrupted Data
If you have lost or corrupted data on your FT-991 transceiver, you can restore it by following these steps:
1. Connect the FT-991 to your computer using a USB cable.
You should use the USB cable that was supplied with your FT-991. If you do not have the original USB cable, you can purchase a replacement from Yaesu or from a third-party supplier.
2. Open the FT-991 software on your computer.
If you do not have the FT-991 software installed on your computer, you can download it from the Yaesu website.
3. Select the “File” menu and then select “Import.”
The “Import” dialog box will open. In the “Import” dialog box, select the file that you want to restore. The file must be in the “.ft9” format.
4. Click the “Open” button.
The import process will begin. The import process may take several minutes, depending on the size of the file that you are importing.
5. Once the import process is complete, click the “Close” button.
The restored data will now be available on your FT-991 transceiver.
Additional tips for restoring lost or corrupted data:
1. If you are unable to restore your data using the steps above, you can contact Yaesu for assistance.
2. You can also use the FT-991 software to back up your data. To back up your data, select the “File” menu and then select “Export.” In the “Export” dialog box, select the file that you want to back up. The file will be saved in the “.ft9” format.
3. You can store your backed-up data on your computer, on a USB flash drive, or on a cloud storage service.
4. It is a good idea to back up your data on a regular basis. This will help to protect your data in the event of a hardware or software failure.
Ensuring Proper Post-Reset Operation
1. Verify Successful Reset
Once the reset process is complete, verify that the radio has successfully reset by checking the following:
- Display: The display should show the default settings and information.
- Memory Channels: All memory channels should be cleared.
- Settings: All settings, including frequency, mode, and power output, should be restored to their factory defaults.
2. Update Firmware (Optional)
After resetting the radio, it is recommended to update the firmware to the latest version. This can improve the radio’s performance and stability.
To update the firmware, follow these steps:
- Download the latest firmware from Yaesu’s website.
- Extract the firmware file to your computer.
- Connect the radio to your computer using the supplied USB cable.
- Run the firmware update software and follow the on-screen instructions.
3. Recalibrate Rig
In some cases, a factory reset may affect the radio’s calibration. To ensure optimal performance, it is recommended to recalibrate the rig after resetting.
The specific recalibration procedures will vary depending on the model of radio. Consult the user manual for specific instructions.
3.1. Frequency Calibration
This procedure aligns the radio’s internal frequency generator with an external reference frequency. It is essential for accurate frequency display and transmission.
3.2. Antenna Matching
This procedure adjusts the radio’s output impedance to match the impedance of the antenna. This is important for maximum power transfer and efficiency.
3.3. Receiver Sensitivity
This procedure sets the receiver’s gain and noise figure to optimal levels. It improves the radio’s ability to receive weak signals.
3.4. Power Output
This procedure verifies the radio’s power output and ensures it meets the specified specifications. It is important for ensuring that the radio can transmit at the intended power levels.
4. Store Important Settings
After recalibrating the rig, store any important settings that you may need to access frequently. These settings could include:
- Memory channels
- Operating frequency
- Mode
- Power output
5. Back Up Settings (Optional)
To prevent losing important settings in the future, consider backing them up. This can be done by:
- Saving the settings to a memory card.
- Using software to backup the settings on your computer.
Restoring the FT-991 to Factory Default Settings
1. Power off the FT-991.
2. Press and hold the "F" and "MODE" buttons while powering on the FT-991.
3. Keep holding the "F" and "MODE" buttons until the display shows "INIT".
4. Release the "F" and "MODE" buttons.
5. Press the "ENT" button to confirm the factory reset.
6. The display will show "COMPLETE" when the factory reset is complete.
7. Power off the FT-991.
8. Power on the FT-991. The FT-991 will now be restored to factory default settings.
9. You will need to reprogram your FT-991 with your desired settings.
10. Consult the FT-991 user manual for more information on programming the FT-991.
39. Detailed Explanation of Step 3: Keep holding the "F" and "MODE" buttons until the display shows "INIT"
- Keep holding the "F" and "MODE" buttons even after the FT-991 powers on.
- Continue holding the buttons until the display shows "INIT". This may take a few seconds.
- Once the display shows "INIT", release the "F" and "MODE" buttons.
- If you release the buttons too early, the factory reset will not be initiated.
- If you hold the buttons for too long, the FT-991 may enter a different mode.
- If you are not sure if the display shows "INIT", refer to the FT-991 user manual for more information.
| Button | Function |
|---|---|
| F | Factory reset button |
| MODE | Mode button |
| ENT | Enter button |
Solving Persistent Issues and Restoring Functionality
1. What is a Factory Reset?
A factory reset is a process of restoring a device to its default settings and configuration. In the context of the Yaesu FT-991 transceiver, a factory reset can resolve various issues, including software bugs, glitches, and persistent problems.
2. Why Perform a Factory Reset?
You may consider performing a factory reset on your FT-991 for the following reasons:
- To resolve persistent issues, such as software glitches or menu errors.
- To restore the transceiver to its default settings after encountering problems.
- To troubleshoot and eliminate potential software conflicts.
3. Preparation Before Resetting
Before performing a factory reset, it’s crucial to take the following preparatory measures:
- Back up your current settings and memories using the FT-991’s Memory Manager utility.
- Disconnect any external devices or cables connected to the transceiver.
- Ensure that the transceiver is powered on and stable.
4. Step-by-Step Factory Reset Procedure
To perform a factory reset on your Yaesu FT-991 transceiver, follow these comprehensive instructions:
- Enter the System Menu: Turn on the FT-991 and press the “FUNC” button. Rotate the MAIN dial to navigate to the “SYS” (System Menu) option and press “ENT.”
- Locate the Reset Option: Use the MAIN dial to scroll down to the “RST” (Reset) option and press “ENT.”
- Confirm Reset: The transceiver will prompt you to confirm the factory reset. Select “R” (Reset) to proceed or “C” (Cancel) to abort.
- Wait for Completion: The FT-991 will initiate the reset process, which may take several minutes. During this time, do not interrupt or power off the transceiver.
- Restart Transceiver: Once the factory reset is complete, the transceiver will restart. Wait until the display indicates that it’s ready for operation.
- Restore Settings (Optional): If you backed up your settings before the reset, you can now use the Memory Manager utility to restore them.
- Transceiver Not Responding: If the FT-991 does not respond after initiating the factory reset, try performing a hard reset by following the instructions in the transceiver’s user manual.
- Settings Not Restored: If you cannot restore your backed-up settings after the reset, ensure that the settings file is compatible with the current firmware version of your FT-991.
6. Benefits of Factory Reset
Performing a factory reset on your Yaesu FT-991 transceiver offers several benefits, including:
- Resolving Persistent Issues: A factory reset can effectively address software glitches, memory corruptions, and other persistent issues that may affect the transceiver’s functionality.
- Restoring Default Settings: The reset process will restore your FT-991 to its original factory settings, eliminating any customizations or modifications that may have caused problems.
- Improved Performance: A factory reset can often improve the overall performance and stability of the transceiver, especially if it has been experiencing slowdowns or erratic behavior.
7. Considerations Before Resetting
It’s essential to consider the following before performing a factory reset:
- Data Loss: A factory reset will erase all user-configured settings, memories, and data from the transceiver’s internal memory. Make sure to back up any important information before proceeding.
- Firmware Version: If your FT-991 is running a custom firmware or has been modified in any way, a factory reset may revert it to the original factory firmware version.
8. Alternative Solutions to Factory Reset
In some cases, a factory reset may not be necessary to resolve issues with your FT-991. Consider the following alternative solutions:
- Firmware Update: Updating the transceiver’s firmware to the latest version may resolve software-related problems without the need for a factory reset.
- Software Reset: A software reset can sometimes resolve minor software glitches and memory errors without erasing all user data. Refer to the transceiver’s user manual for specific instructions on performing a software reset.
9. Conclusion
Performing a factory reset on your Yaesu FT-991 transceiver can be an effective way to troubleshoot persistent issues, restore default settings, and improve functionality. By following the detailed instructions and considerations outlined in this article, you can safely and successfully reset your FT-991 and restore it to optimal performance.
Reset Option Description R (Reset) Initiates the factory reset process. C (Cancel) Aborts the factory reset process. Isolating and Resolving Hardware and Software Issues
1. Identifying Hardware and Software Problems
To determine if the issue lies with hardware or software, observe the following symptoms:
- Hardware: Physical damage, unusual noises, intermittent operation
- Software: Unexpected errors, slow performance, freezes
2. Hardware Troubleshooting
If physical damage is suspected, consult a qualified technician. For other hardware issues:
- Check connections: Ensure all cables and connectors are securely attached.
- Isolate the problem: Disconnect the device from other peripherals and test it alone.
- Inspect for shorts: Use a multimeter to check for short circuits or other electrical anomalies.
- Clean the unit: Dust and debris can interfere with hardware operation.
3. Software Troubleshooting
If software is likely the issue, consider the following steps:
- Restart the device: A simple restart can often resolve minor software glitches.
- Update firmware: Check for firmware updates from the manufacturer’s website.
- Run diagnostics: Use built-in or third-party diagnostic tools to identify specific software problems.
- Reset the device: Refer to the user manual for instructions on performing a factory reset.
4. Factory Reset Procedure for FT-991
A factory reset may resolve persistent software issues. Follow these steps:
- Turn off the FT-991.
- While holding down the [CLR] and [F] keys, turn on the FT-991.
- Release the keys when “FT-991?” appears on the display.
- Press [YES].
- The FT-991 will reset and restart.
Note: A factory reset will erase all stored settings and data. Ensure you have backed up any important information before proceeding.
5. Troubleshooting Advanced Software Issues
If basic troubleshooting fails, consider the following:
- Use a different operating system: Test the device on a different computer or operating system to rule out OS-related issues.
- Check for malware: Run an antivirus scan to identify and remove malicious software.
- Contact technical support: If the issue persists, reach out to the manufacturer or a qualified technician for assistance.
6. Preventing Future Issues
To minimize hardware and software problems, follow these recommendations:
- Handle devices with care.
- Install regular software updates.
- Keep devices clean and free from dust.
- Back up important data regularly.
How To Factory Reset Ft-991
To factory reset the FT-991, follow these steps:
- Turn off the FT-991.
- Press and hold the [FUNCTION] key while turning on the FT-991.
- Release the [FUNCTION] key when the display shows “FACTORY RESET”.
- Press the [YES] key to confirm the reset.
- The FT-991 will now reset to its factory default settings.
People Also Ask About
How do I know if my FT-991 needs to be factory reset?
There are a few signs that your FT-991 may need to be factory reset. These include:
- The FT-991 is not responding to your commands.
- The FT-991 is displaying error messages.
- The FT-991 is not operating correctly.
What settings will be lost when I factory reset my FT-991?
When you factory reset your FT-991, all of the settings will be lost. This includes your saved frequencies, modes, and other settings.
5. Troubleshooting Factory Reset Issues
In the event of any difficulties during or after the factory reset process, consider the following troubleshooting tips:
