Appendix A: ALERT TONES AND MESSAGES
ALERT TONES
The Alert Tones supported by the SDM600 Series Mobile Radio are listed below in
Table 11.
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 1
remaining channel in scan group.
Cradle Alert 440 Hz 160 ms x3 If Out-of-cradle/Scan-Pause timer expires,
then start Cradle Error. Stop if user PTTs or
Mic replaced in cradle or Scan-Pause = Off.
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 11: Alert Tones.
Doc Number: TNM--U-E-0108 ISSUE 1.5 Page 63
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