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Changelog for v 1.2b03 firmware upgrade:
1.
Added Tx power adjustment option, menu[5/5], "TXP"
option: LOW: 10% MID: 50% HIGH: 100%
Changelog for v1.3 firmware upgrade:
1.
To work with JTDX/WSJTX (and other data mode
software packages), added CI-V commands 0x25,0x26,
(set/read VFO frequency of either VFO, report/set data
mode U-D or L-D from the PC).
2.
Added CI-V command 0x19 to read the XIEGU RADIO ID.
3.
Bug fix: Can't totally mute when RX volume set to 0
4.
Bug fix: ACC TRX Pin is output only (now it's bidirectional)
5.
Bug fix: Won't lock the long press key
6.
Set RX audio bandwidth to 10-3300Hz in data mode
