Sony ICD-R100VTP - Manual (Page 38)

What beep sound means
Beep patterns Meaning
(single tone) Usual mode
(double tone) Enter/exit special mode
(triple tone) Notice*
............ (continuous beep) Alarm set time has come.
This pattern lets you know the procedure is wrong or informs you of some
messages, such as;
- you are trying to record a message when you hav^e already recorded up to the
maximum recordable time or the maximum number of messages.
- the unit has stopped functioning due to lack of battery power.
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