Light emitting diode (led) indicators, Alert tones – Motorola MT 1500 User Manual
Page 19
MT 1500 Model 1.5
7
General Radio Operation
Light Emitting Diode (LED) Indicators
Alert Tones
Your radio uses alert tones to inform you of radio conditions.
Table 3: LED Indicators
This LED Color:
Indicates:
RED (Illuminated)
Transmitting
RED (Blinking)
• Channel Busy
OR
• Low Battery (lights while transmitting)
GREEN (Blinking)
Receiving Individual Call
Table 4: 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.
Reject
when an unauthorized request
is made.
Time-Out Timer
Warning
four seconds before time out.
Long,
Low-Pitched
Tone
No ACK Received
when the radio does not
receive an acknowledgment.
Time-Out Timer
Timed Out
after time out.
Talk Prohibit/
PTT Inhibit
when the PTT button is
pressed, and transmissions
are prevented.
Out-of-Range
when the PTT button is
pressed, but the radio is out of
range of the system.
MT1500 1.5 UG.book Page 7 Thursday, May 8, 2008 11:17 AM