Puxing PX-578 Manual page 6

CHANNEL ENCODER/FREQUENCY ADJUSTMENT
ANTENNA
EMERGENCY ALERT KEY
POWER SWITCH /VOLUME CONTROL
LED INDICATOR.
MICROPHONE
SPEAKER
VFO/MR: Long press (2s-3s) is scan key, short press to switch
MENU KEY
frequency and channel (all frequency mode)
ENT: Confirm key, press ENT and turn ON radio to switch between
and frequency
channel