FYI, Mother M has released new software for the m5, version 1.2.2.
Clicky
M5 new software - v1.2.2
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thanks for the notice
Thanks for letting us know. I upgraded the firmware and software and my Min5 now works with the on/off duty.
Excellent. Anyone know what this new fangled firmware presents and if this new fangled software does anything new with it?
"I'll eat you like a plate of bacon and eggs in the morning. "
- Some loser on rr.com
eBay at it's finest:
Me: "What exactly is a 900Mhz UHF CB?"
Them: "A very nice CB at 900Mhz speed!"

- Some loser on rr.com
eBay at it's finest:
Me: "What exactly is a 900Mhz UHF CB?"
Them: "A very nice CB at 900Mhz speed!"

According to the readme file:
1.1.3 - Instead of rejecting the tone which does not meet the tone spacing rule, assigning the closest tone to it.
1.2.0 - Enable ON/OFF Duty only in Sel-Cal, Silent Scan mode
1.2.2 - Fixed false alert on coding option R177
It appears the firmware makes additional changes. Perhaps TPG will pop in and comment on those...
1.1.3 - Instead of rejecting the tone which does not meet the tone spacing rule, assigning the closest tone to it.
1.2.0 - Enable ON/OFF Duty only in Sel-Cal, Silent Scan mode
1.2.2 - Fixed false alert on coding option R177
It appears the firmware makes additional changes. Perhaps TPG will pop in and comment on those...