ASTRO XTL 2500 Digital Mobile Radio with M5 Control Head 27
Basic Operating Procedures
Transmitting (Trunked Modes Only)
Selecting the Transmit Power Level
The PWR softkey lets you select (toggle) the transmit power level.
1 Lift the microphone off-hook, and press the microphone PTT
button.
2 Do one of the following:
• If you hear three quick tones, or if you hear no tone and the
red XMIT (transmit) indicator lights steadily, then proceed
with your message.
Release the PTT button to receive.
OR
• If you hear a continuous low-pitched tone, you are out of the
system's range.
The display area may indicate “OUT OF RANGE“ in the text
display area.
The red XMIT indicator may flash several times as the radio
tries to access the system.
Release the PTT button and try again when the vehicle is
driven within range of the system.
Press the PWR softkey.
The display momentarily shows POWER LOW or POWER HIGH to
indicate the transmit power level selected.