Puxing PX-578 - Operating Button Functions; PTT, Monitor, and Tone Call Keys

FUN function key
In the key l
ock mode, press FUN and tu
rn
press ENT to confirm. Press MENU to
return last menu, release FUN to
confirm and exit
PTT key
Press to transmit, release to receive
MONITOR key: Press and hold
2s-3s to open the squelch
(Press and hold 2s-3s to transmit the call
tone)
SPEAKER/MICROPHONE JACK
BATTERY PACK
the encoder to enter the menu,
1750/1450/2315Hz tone call key: