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What if ...
... you hear acoustic signals or warning signals?
Acoustic signal Meaning
3 ascending beeps
The receiver has just
been switched on.
3
descending beeps
The receiver has just
been switched off.
1 acknowledgement
beep
The channel search
button has been
pressed once briefly
.
The channel search
button has been
pressed for
5 seconds
.
1
–3
short beeps
The receiver is set to
channel 1, 2 or 3
.
Warning signal Meaning
6 short
beeps
The receiver does not
receive any signal
from the transmitter:
• The distance
between trans-
mitter and receiver
is too great.
The receiver
switches off after
3 minutes.
• The transmitter is
switched off.
2 long
beeps
The rechargeable
battery is almost flat.