ASTRO
®
XTS™ 2500 Model III
70
To transmit:
1. Select the desired zone/channel.
2. Listen for ongoing conversations; if the channel
becomes clear, proceed with your call.
3. Press and hold the PTT button to transmit. The LED
will light solid red. When speaking, keep the
microphone 2-6" from your mouth.
4. Release the PTT button to receive (listen).
Transmit and Receive
LED
Push-to-Talk
(PTT)
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