ASTRO XTS 4250 Digital Portable Radio, Advanced Model 35
Common Radio Features
Time-out Timer
The time-out timer turns off your radio’s transmitter. The timer is set
for 60 seconds at the factory, but it can be programmed from 0 to 7.75
minutes (465 seconds) by a qualified radio technician.
1 Hold down the PTT button
longer than the programmed
time. You will hear a short,
low-pitched warning tone,
the transmission will cut-off,
and the LED will go out until
you release the PTT.
• Short warning tone
• Transmission is cut-off
• LED goes out
2 Release the PTT button. • LED re-lights
• Timer resets
3 Press the PTT to re-transmit.
The time-out timer restarts.
• Timer restarts
• LED is red
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