Table of Contents
Advertisement
Cleaning the SR 2020-D
CAUTION
LIQUIDS CAN DAMAGE THE ELECTRONICS OF THE TRANSMITTER!
Liquids entering the housing of the device can cause a short-circuit and damage the elec-
tronics.
Keep all liquids away from the device.
Do not use any solvents or cleansing agents.
Before cleaning, disconnect the device from the mains.
Only use a soft and dry cloth to clean the device.
If a problem occurs
Problem
No operation indication
on the transmitter
Audio signal is distorted
Occasional drop outs in
the audio signal
No radio waves on the
receiver display
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.
Possible cause
No mains connection
Transmitter sensitivity is
adjusted too high
Distance to the transmit-
ter is too great
Interference of unknown
origin
Interference is being
received from a second
transmitter
Antenna is badly posi-
tioned
No RF signal: transmitter
and receiver are not on
the same channel
No RF signal: transmis-
sion range is exceeded
Cleaning the SR 2020-D
Possible remedy
Check the mains unit and the con-
nection to the DC IN socket (see
page 11)
Change the sensitivity of the mi-
crophone input or line input (see
page 1 7)
Select the source of the input signal
(see page 17)
Reduce the distance to the trans-
mitter
Set the transmitter and receiver to a
different channel (see page 15)
Change the transmitters to different
channels (see page 15)
Improve the position of the transmit-
ting antenna: Mount the antenna to
the front of the rack or use a remote
antenna
Set the transmitter and receiver to
the same channel (see page 15)
Reduce the distance between re-
ceiver and transmitter
Improve the position of the transmit-
ting antenna
SR 2020-D | 21
Advertisement
Table of Contents
