Kirisun DP405 - Basic Operation; 3 Circuit Description; Circuit Composition

DP405 Service Manual
2.4. Basic Operation
Power on/off the Radio
When the radio is off, turn the volume knob clockwise until a click is heard to power on the radio; when the
radio is on, turn the volume knob counter-clockwise until a click is heard to power off the radio.
Selecting the Channel
Turn the channel knob to select the channel.
Adjusting the Volume
Turn the volume knob to adjust the volume.
Initiaing a Call
Press PTT key and speak to the mic.
Receiving
When the radio receives the signal which matches the current channel, it will output the voice on channel.
3. Circuit Description
3.1. Circuit Composition
4