TP9100 Service Manual General Information 99
© Tait Electronics Limited May 2005
Table 4.11 Audible indications
Type of tone Meanings
One short beep (1) On power-down — Radio is off
(2) On pressing key — Key-press is valid
(3) On pressing function key — Function has been initiated
(4) While inserting radio in charger — Battery charging has commenced.
(5) While removing radio from charger — Battery charging has stopped
One short low-pitched beep On pressing function key again — Function has been terminated
One short high-pitched beep Repeated beep every ten seconds while powered up — Battery level is low.
One long low-pitched beep (1) On pressing key — Key-press is invalid
(2) On pressing PTT switch — Transmission is inhibited
(3) While powered up — Battery is flat
Two short beeps On power-up — Radio is ready to use
Three short beeps While powered up — Previously busy channel is now free
Three beeps During transmission — Transmit time-out is imminent; transmission will be
terminated in 10 seconds
Warble While powered up — Frequency synthesizer is out of lock on current channel;
LCD will usually display Out of Lock.
Continuous low-pitched
tone
While powered up — System error has occurred and radio might be inoperable;
LCD usually displays E1 or E2.
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