11
AT-D878U Digital DMR and Analog UHF Two Way Radio
5.1
Power on the Radio
5.2
Adjust Volume
5.3
Select a Zone
Turn on the radio by turning the [Power/Volume] switch clockwise till a click
is heard, and the LCD displays will show a start-up message, and you will
hear a beep after 7 seconds.
Rotate the [Power/Volume] knob to adjust the volume. Turn clockwise to
increase the volume and counterclockwise to decrease the volume. The
LCD display will show the volume status during an adjustment.
Assign a key to Zone Switch function in CPS, press the key to select
the zone.
5. BASIC OPERATIONS
5.4
Select a Channel
Turn the channel switch to select a channel.
5.5
Receiving and Responding to a Radio Call
When the radio is in the digital mode, it can receive and respond to a call
with the same frequency/color code/ slot. When receiving a call:
a.
If the radio is programmed with Call Alert in CPS-Optional Setting-Alert
Tone, when receiving a call, the radio will ring briefly.
b.
The blue LED lights up.
c.
When the call is ended, you can press [PTT] to respond the call.
5.6
Making a Call
Turn the channel switch to choose a programmed channel.
Hold the radio vertical 2.5-5cm from your mouth, press the [PTT] key to
start the call, the red LED lights up, if the radio is programmed with "talk
permit", the radio will ring briefly, later you can start the talk.
Release [PTT] key to receive the reply.
»
When in analog mode, if no signal, it will emit noise when press
the Monitor Key.
5.7
Monitor
In standby, press the [PF2] key to enter Monitor. When receiving matched
carrier but the signaling / ID is unmatched or the signal is too weak, this
function allows monitor the weak signal and signal with unmatched ID.
Press the [PF2] key again to shut off speaker and return to standby.
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