User's Manual

Table Of Contents
ASTRO Digital XTS 2500 Model III 21
General Radio Operation
LED Indicators
Alert Tones
Your radio uses alert tones to inform you of radio conditions.
This LED Color: indicates:
RED (Non-flashing) Transmitting
RED (Flashing) Channel Busy
or
Low Battery (lights while transmitting)
GREEN Receiving Individual Call
Table 2: Alert Tones
You hear: Tone Name Heard :
Short,
Low-Pitched
Tone
Invalid Key-Press when the wrong key is
pressed.
Radio Self-Test Failed when the radio fails the
power-up self test.
No ACK Received when the radio does not
receive an
acknowledgment.
Reject when an unauthorized
request is made.
Time-Out Timer Warning four seconds before time
out.