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What if ...
... you hear acoustic signals or warning signals?
To switch the acoustic signals on and off:
Acoustic signal Meaning
1 acknowl-
edgement
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.
̈ Press the channel search
button
4 on the receiver for
approx. 5 seconds.
You hear a short acoustic signal.
Warning signals cannot be switched off.
4