General Radio Operation
Making a Radio Call
You can select a zone, channel, or talkgroup by using:
•The preprogrammed Zone switch
•The Channel Selector Knob
Making a Talkgroup Call
To make a call to a group of users, your radio must be
configured as part of that talkgroup.
1Turn the Channel Selector Knob to select the channel with
the desired talkgroup.
2Hold the radio vertically 1 to 2 inches (2.5 to 5.0 cm) from
3Press the PTT button to make the call.
4ASTRO Conventional Only:
The LED lights up solid red. The display shows the
talkgroup alias or ID.
The LED lights up solid red.
5Speak clearly into the microphone.
6Release the PTT button to listen.
Repeater or Direct Operation
The REPEATER operation increases the radio’s range by
connecting with other radios through a repeater. The transmit
and receive frequencies are different.
The DIRECT or “talkaround operation” allows you to bypass the
repeater and connect directly to another radio. The transmit and
receive frequencies are the same.
1Press the preprogrammed Repeater/Direct switch to toggle
between talkaround and repeater modes.
2The display shows RPTR MOD if the radio is currently in
The display shows DIR MODE and the Talkaround icon if the
radio is currently in Direct mode (during conventional