Retevis RA89 User Manual page 6

PTT
Press it to transmit and release it to
receive after your transmission is
completed.
Side Key 1:
1.Flashlight
2.Activate 1750Hz for repeater access
and transmit DTMF and 2/5 tone
signaling
Side Key 2
1.Shortly press this key to disable the
noise squelching action, allowing you
to hear very weak signals near the
back-ground noise level.
2.Long press to scan when the radio is
on FM broadcast mode.
LCD DISPLAY
You will see various icons shown on the screen when the radio is turned on. The following table can help you identify icons' meaning which
are displayed on LCD.
Icons Description of functions
Operating band signal & power meter
High TX power active
Dual wait/standby active
RX power save active
Scanning active
Narrow/wide band mode active
Repeater shift direction
Keypad lock
DTMF signal active
2 Tone signaling active
5 Tone signaling active
Battery power indicator
Channel number/Menu items number indicator
04
Mic/Sp
The jack provides connection
points for microphone audio,
earphone audio, speaker and
program cable.