30
General Radio Operation
• Time-Out Timer
The new ASTRO portable radio is equipped with a programmable time-out
timer which, upon expiration, will turn off the transmitter. This timer is
programmable through radio service software and can be set from 0
seconds (off) to 7.75 minutes (465 seconds), at 15 second increments. The
ASTRO radios have been programmed at shipment for 60 seconds.
1. A time-out timer warning occurs approximately four seconds before the
allocated time-out timer expires. The warning is a short, low-pitched
tone.
2. If the PTT Switch is held down longer than the time-out timer’s allotted
time, a continuous, low-pitched tone will sound and the LED will stop
lighting red, indicating that your transmission has been cut off. This tone
will continue to sound until the PTT Switch is released.
3. Release the PTT Switch.
4. To transmit another message, press the PTT Switch.
• Low-Battery Indication
If the battery voltage falls below the low-voltage level, the B status
indicator will appear (flashing).
If a low-battery indication occurs, replace the battery.
Additional programmable battery status options:
• When the PTT Switch is pressed, the bicolor LED will blink red to
indicate a low-battery condition.
• When the PTT Switch is released following a transmission, a short,
high-pitched tone (chirp) will sound to indicate a low-battery
condition.
• When the radio is in the standby mode and a low-battery condition
occurs, an alert tone will sound from 30 to 930 seconds
(programmable through radio service software) at 30 second
increments.
B Flashing = Low Battery
FF
FF
II
II
RR
RR
EE
EE
CC
CC
HH
HH
II
II
EE
EE
FF
FF
55
55
55
55
55
55
--
--
88
88
99
99
44
44
77
77
B
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