Sennheiser 502011 - Manual (Page 27)

24
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.