Antenna
Menu key
P1 key/ P2 key
MIC Input
PTT
14
4. RADIO OVERVIEW
PTT Button
Speaker/Mic Jacks
[PF1] top Key
[PF2] bottom Key
AT-D878S Digital DMR and Analog
Emergency Alarm Key (PF3)
Channel Switch
POWER/VOL
LED Status Indicator
LCD
Exit Key
Speaker
Two Way Radio
