Lab599 Discovery TX-500 Firmware Updates Changelog
* updates are cumulative

v1.20.02. (2023.11.30)
- Fixed beacon mode disabling when VOX is activated.
- Fixed incorrect frequency setup in some conditions when switching from MEM to VFO.
- General fixes and improvements.

v1.19.01 (2023.10.03)
- Added CAT protocol Lab599 with support for the DIG mode switching command (MD6).
- Added the ability to select the CAT protocol Lab599 or TS-2000
- Adjusted transceiver power management at critically low supply voltage

v1.18.08 (2023.09.05)
- New NB (noise blanker) filter algorithm
- General fixes and improvements

v1.17.13 (2023.08.01)
- Added: copying the current memory channel settings to VFO mode by long press the V/M key
- Added: adjusting power in TONE mode
- Added: switching PRE/ATT by long pressing
- Added: frequency tuning step 500 Hz
- Adjusted: speed of TUNE/MULTI encoder in INTEL mode
- Adjusted: SWR monitor indication
- Adjusted: power in FM mode
- General stability fixes

v1.16.06 (2023.03.20)
- Added: memory cells editing by the utility on the PC.
- Added: transceiver settings saving by the utility on the PC.

v1.15.09 (2023.02.16)
- Added: Battery Pack BP-500 support
- General fixes and improvements

v1.14.10 (2022.08.26)
- Fixed: power in TONE mode is reduced to 5 watts.

v1.14.08 (2022.08.10)
- Improved CW decoder function
  * increased maximum decoding speed
  * font fixed
- Added CW encoder function — character input of CW messages
  * fixed character set 
- Improved work with memory cells: the transceiver saves the current memory mode when turned on/off
- General fixes and improvements

v1.13.13 (2022.06.30)
- [BETA] CW Decoder: extended CW detector capture bandwidth
- Fixed iambic keyer "A" mode (TNX DL9MA)
- Fixed display of CW decoder in SWR monitor mode
- Disabled NR in DIG mode

v1.13.09 (2022.06.22)
- [BETA] CW decoder: buffer overflow bug fixed (TNX Ronan Cantwell)

v1.13.08 (2022.06.15)
- [BETA] Added CW decoder function
- Extended 10-meter band for TX with taking into account the CB range: from 26065 to 29700KHz
- Added quick mode selection by long pressing the MODE button
- Improved VFO/MEM function: fast switching by TUNE/MULTY between stored VFO values
- Added ability to assign alternative functions to RIT/XIT encoder
- Improved LOCK function in Memory mode

v1.12.08 (2022.03.01)
- Beacon mode fixes
- Fixed Iambic A/B mode
- Extended CW tone frequency range
- FM mode output power increased
- User menu optimization

v1.12.00 (2021.11.19)
- Improved AGC algorithm 
- Added beacon mode activity indicator
- Added reference frequency correction (TCXO adjustment)

v1.11.02 (2021.10.14)
- Added voice beacon mode
- Extended 60m band range
- Minor bug fixes and improvements
  * Fixed switching VFO A / B
  * Fixed modes settings by default

v1.10.10 (2021.09.21)
- Corrected AGC work
- Improved receiver parameters

v1.10.04 (2021.09.09)
- Added function: Antenna SWR monitor - determine the characteristics of the antenna (SWR) in the range of the selected band
- Added audio output modes:
  1. NORMAL (1W)
  2. OUTDOOR (3W)

v1.09.01 (2021.07.06)
- Increased size of CW memory cells. Record length of CWM1 (with beacon mode) and CWM2 cells increased to 45 seconds. The number of cells reduced to two.
- Extended lower range of FIL-1 filter to 100Hz in DIG mode
- Minor fixes

v1.08.03 (2021.06.08)
- Improved the CW beacon mode: fixed the interrupt function of the transmission
- Optimized the CW frequency matching indicator: narrowed the indicator bar for more accurate tuning

v1.08.02 (2021.06.01)
- Added features:
  1. CW beacon mode
  2. CW frequency matching indicator: narrowed the indicator bar for more accurate tuning

v1.07.00 (2021.04.29)
- Added a new Notch filter mode:
  1. Notch Filter Type 1 - standard mode, provides high quality filtration
  2. Notch Filter Type 2 - high performance filtering mode, provides lower latency in signal processing
- Fixes to improve stability

v1.05.01 (2021.03.05)
- Improved audio rec/play function

v1.05.00 (04.02.2021)
- Added audio recorder/player function

v1.04.07 (2021.01.25)
- Extended 60m band
- Improved CW Keyer Iambic mode

v1.04.05 (2020.11.29)
- Improved CAT with WSJT-X

v1.04.04 (2020.11.24)
- Fixed bug of switching to DIG mode

v1.04.03 (2020.10.29)
- Minor fixes

v1.04.01 (2020.09.08)
- Added features:
  1. CW memory
  2. Display contrast adjustment