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own call sign, respond promptly by pressing the PTT
key and replying.
Making a Call
Select the desired channel as described in “Selecting a
Channel” above.
If the channel is busy, you are not normally able to
transmit. If you try to transmit, the radio sounds a low-
pitched warning beep. You may not be able to hear the
activity, but the LED glows green. You can activate the
monitor function to listen to channel activity.
To make a call:
When the channel is clear, hold down the PTT key and
speak clearly into the radio. Identify yourself and the
party you are calling using the call signs you have been
assigned. Release the PTT key when you have finished
talking.
While you are transmitting, the LED glows red. While
the other party is transmitting, the LED glows green.
If selective call mute is programmed for a particular
channel, you are only able to make 5-tone calls on that
channel when the monitor function is activated and the
channel is clear (see “Monitor” on page 15).
Transmit Timer
Your radio is programmed with a transmit timer that
limits the amount of time you can transmit continu-
ously. If the radio gives three medium-pitched beeps,
the transmit timer is about to expire. Ten seconds later,
the radio automatically stops transmitting. You have to
release the PTT before you can transmit again. The
radio may be programmed to prevent transmission for a
period after the transmit timer has expired.
What You Hear On a Channel
What traffic you hear on a channel depends on how
your radio was programmed. A channel can be
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