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Appendix A: ALERT TONES AND MESSAGES
ALERT TONES
The Alert Tones supported by the SDP600 Series Portable Radio are listed below in
Table 10.
Tone
Frequency, Tone Duration,
Repeats
Description
Key Beep
940 Hz 60 ms
Generated by key presses. Key Beeps can
be enabled or disabled in the FPP.
Also used when Rotary Knob is changed.
Error Beep
440 Hz 50 ms x5
Generated by invalid key or unsuccessful
radio events.
Normal Alert
440 Hz 320 ms
If attempt to skip channel if only one
remaining channel in scan group.
Power-Off
Complete
880 Hz 1 sec
Alert tone generated after radio saves its
data and is ready to power down.
PTT Grant
1000 Hz 30 ms
Generated after PTT request granted and
radio starts transmitting.
Call Alert
2000 Hz 100 ms x5
When receiving a message.
Emergency 600 Hz 160 ms, 1800 Hz 100
ms
Generate a short confidence beep when
alarm mode is activated. This short beep
can be enabled/disabled in FPP.
Man Down 1000 Hz 100 ms, 1152 Hz 100
ms
1400 Hz 100 ms, 1600 Hz 100
ms
Generate at low volume during after FPP
defined ‘Tilt Delay’. If Man-Down still
down, then generate at full volume for
FPP defined ‘Alert Delay’ period.
Times Up
Alert
(940 Hz 60 ms, 0 Hz 1 sec) x5 5 short beeps repeated at 1 second
intervals.
Used 5 sec before Transmit limit timer
expires and 5 sec before Lone Worker
time limit expires.
Table 10: Alert Tones.
Doc Number:
TNM-U-E-0114 ISSUE 1.4
Page
75