20250520  V1.10

1.APRS adds a PTT-linked channel. In APRS Beacon Mode -> PTT After CH, you can select a specific channel. After releasing the PTT, the APRS beacon will only be transmitted on the specified channel."
2.Due to frequent user misoperations causing reduced power output, the 28 Temporary Tuning function is now disabled by default. To enable temporary debugging, 
hold down the '5' key while powering on. However, this setting will reset after each shutdown
 (Note: This tuning feature is intended for experienced users only. It is not recommended for inexperienced users, as improper adjustments may disrupt device functionality)."


2025.05.17 V1.09

Added channel name color selection: "Basic Settings" → "CH Alias Color"

Added a "Do Not Refresh" option to the signal strength refresh menu. If you hear rhythmic interference while listening, set "Analog Settings → RX RSSI Refresh → Not Refresh"

New feature: Hold the MENU key during power-on to restore data. This also works if the red and green lights are on but the device won’t start—press MENU to recover and power on.

After exiting the FM radio to receive a call, a slight delay is added when returning to the radio.

FM radio standby for call reception is only effective in the 64–620 MHz mode.

Fixed an issue where multi-watch failed during transmission delay on repeater channels.

Changed VFO channels to 9 in total: 3 each for U/V band, CB band, and 850 MHz band to prevent data loss when switching frequency bands.

Improved APRS MIC-E data encoding and decoding.

Fixed repeated power-on issue caused by AWU auto wake-up.

Fixed abnormal signal bar display issue.

Added BFO manual input via numeric keypad for SSB (Single Side Band) radio.

Fixed occasional no-sound issue after exiting radio scan.

Fixed GPS time display error.

Fixed the issue where switching from AM back to FM resulted in a significant drop in reception sensitivity.

Fixed the issue where holding the MENU key in spectrum mode could not block interference points.

Corrected the backlight timer logic error.






2025.04.17 V1.06
Added a menu option to reverse channel switching direction. When enabled, ▲▼ keys will switch channels in reverse.

Added an option to display sub-audio encoding (e.g., CTCSS/DCS codes). When enabled, the standby screen shows the actual code instead of just “CTC” or “DCS”.

Added support for jumping to menu items via number key input in the menu interface.

Green LED no longer blinks during scanning.

Added more tail ton

e elimination options.

(The following are updates to optional features)
6. Further improved APRS functionality, addressing abnormal content issues in the APRS menu.



2025.04.10 V1.05
Fixed a bug that could cause the device to crash during reception.

Added a feature: hold the ▼ key during startup to enter Full-Band Debug Mode.

In Full-Band Debug Mode, frequency bands can be switched freely without entering the menu.

In this mode, multi-band standby and cross-band repeater functions are disabled.

Use with caution. Ensure the antenna matches the current frequency to avoid damage.

Adjusted brightness levels to prevent the screen from becoming completely invisible when set to level 0.

Added a feature: hold the 0 key during startup to disable APO (Auto Power Off).

Updated spectrum operations and features:

In spectrum mode, long press # to switch between monitor mode and scan mode.

Monitor Mode: allows audio monitoring of received signals.

Scan Mode: for observing signal spurs only.

In Monitor Mode: long press MENU to block the current interfering signal (up to 20 points can be blocked).

Long press * to clear all blocked signals.

Short press * to switch between different input items.

(The following are updates to optional features)
6. Added a menu option to enable/disable TX noise reduction.
7. Added a GPS settings menu, including distance measurement, position tracking, and track history query.
8. Added APRS settings menu:

APRS currently only works via PTT triggering, allowing encoded transmission and beacon decoding display.
