Puxing PX-578 Manual page 7

FUN function key
In the key lock mode, press FUN and tu rn
the encoder to enter the menu,
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
1750/1450/2315Hz tone call key:
(Press and hold 2s-3s to transmit the call
tone)
SPEAKER/MICROPHONE JACK
BATTERY PACK