Lab599 TX-500MP Firmware Changelog

v1.25.06 (2025.05.26)
- Added transmit frequency shift function:
  * Shift value (+/-) is set in main menu item “37 SHIFT TX”
  * Function is activated via “ShTX” in the quick menu line
  * When active, a shift indicator “>” or “<” is displayed on the screen
- ASQ algorithm adjusted – reduced dependency on filter bandwidth
- Expanded set of CAT protocol commands implemented (Lab599 protocol)
- System optimization – boot time improved

v1.24.23 (2025.04.15)
- ASQ algorithm adjusted

v1.24.22 (2025.03.28)
- Fixed CW decoder function
- Added CW tone indicator
- Minor interface tweaks and fixes

v1.24.18 (2025.02.26)
- ATU operation adjusted
- Interface fixes

v1.24.15 (2025.02.03)
- Fixed bugs:
  1. Display of SQL item in the on-screen menu
  2. VFO AM/FM mode turning off when channel frequency is shown
  3. Lock-up in the on-screen menu when SQL and ASQ are activated
- Adjusted ATU operation
- Corrected CTCSS tone frequencies

v1.24.10 (2024.01.09)
- Initial release