24
Cleaning the SR 2020 D
Cleaning the SR 2020 D
Before cleaning, disconnect the device from the mains.
Only use a soft and dry cloth to clean the device.
If a problem occurs....
If a problem occurs that is not listed in the above table or if the problem cannot be solved with
the proposed solutions, please contact your local Sennheiser agent for assistance.
Liquids can damage the electronics of the transmitter!
Liquids entering the housing of the device can cause a short-circuit and damage
the electronics.
Keep all liquids away from the device.
Do not use any solvents or cleansing agents.
Problem
Possible cause
Possible remedy
No operation
indication on the
transmitter
No mains connection
Check the mains unit and the connection to
the DC IN socket (see page 12)
Audio signal is
distorted
Transmitter sensitivity is
adjusted too high
Change the sensitivity of the microphone
input or line input (see page 19)
Select the source of the input signal
(see page 19)
Occasional drop outs
in the audio signal
Distance to the transmitter is
too great
Reduce the distance to the transmitter
Interference of unknown origin Set the transmitter and receiver to a
different channel (see page 17)
Interference is being received
from a second transmitter
Change the transmitters to different
channels (see page 17)
No radio waves on the
receiver display
Antenna is badly positioned
Improve the position of the transmitting
antenna
Mount the antenna to the front of the rack
No RF signal:
transmitter and receiver are
not on the same channel
Set the transmitter and receiver to the same
channel (see page 17)
No RF signal:
transmission range is
exceeded
Reduce the distance between receiver and
transmitter
Improve the position of the transmitting
antenna
CAUTION!
