DP405 Digital Two-way Radio User Manual
7
PTT key
Press this key to initiate a call and talk
Side key (programmable key)
This key can be set with different features by dealer. Please refer to “5 Programmable Keys”
for further details
Channel Knob
Rotate the knob to select channel 1-16.
Power/Volume Knob
Turn it clockwise to turn on the radio. For turning off the radio, turn it counter-clockwise until
a click is heard.
When the radio is on, rotate the knob to adjust the volume.
LED Indicator
Red indicator means the radio is transmitting, green means receiving and when the red
indicator flashes, it means power shortage.
External port
Open the cover plate and connect the external speaker and microphone