ASTRO XTS 4250 Digital Portable Radio, Advanced Model 25
General Radio Operation
Use the Preprogrammed Monitor Button
3 Adjust the Volume Control
knob if necessary.
4 Release the Volume Set
button.
5 Press and hold the PTT
button to transmit. The LED
lights RED while transmitting.
6 Release the PTT button to
receive (listen).
1 Turn the radio on and select
the desired zone and
channel.
2 Press the Monitor button
and listen for activity. The
Carrier Squelch indicator is
displayed. (See the following
Conventional Mode
Operation.)
3 Adjust the Volume Control
knob if necessary.
4 Press and hold the PTT
button to transmit. The LED
lights RED while transmitting.
5 Release the PTT button to
receive (listen).
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