DP480 Service Manual
5
3. Basic Operation
3.1.Powering On/Off
To power on the radio, rotate the Power/Volume knob clockwise until a click is heard.
To power off the radio, rotate the Power/Volume knob counterclockwise until a click is heard.
3.2.Selecting a Channel
When the radio is on, rotate the Channel knob to select a channel.
3.3.Adjusting Volume
When the radio is on, rotate the Power/Volume knob clockwise to increase the volume or counterclockwise
to decrease it.
3.4.Initiating a Call
If the selected channel is digital, you can call the default contact for the selected channel by pressing the
PTT key. This contact can be set by the dealer through programming.
3.5.Receiving a Call
When the radio receives RF signals on the selected channel and the squelch level is reached, the green
LED glows to indicate that carrier is received.
When the selected channel is digital channel and when it received individual call, group call or all call, the
radio will output the voice from the channel.
When the channel is analogue channel and when it received analogue signals with CTCSS matching the
one on this channel (or there is no CTCSS set on the channel), the radio will output voice form the channel.
3.6.Calling Back
When the selected channel is digital channel and after a call is received, press the PTT button within the
calling duration to call back. If the calling duration is up, you need to initiate a call. The calling duration can
be set by the dealer.
When the selected channel is analogue channel and after a call is received, press the PTT button and speak
to the microphone to call back.
To Next Page
Loading...
Need help?
General
