Sennheiser evolution D1, System Manual

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44
If a problem occurs ...
If a problem occurs ...
Troubleshooting
Problem Possible cause Possible solution Page
No sound The receiver is not connected properly. Connect the receiver properly. 16
The amplifier or mixing console is not
connected, not switched on or adjusted to a too
low volume. Refer to the instruction manual of the
amplifier or mixing console.
The transmitter is muted. Muted appears on
the display panel and the status LED lights up
yellow.
Set the MUTE switch to the position MIC. 28
The transmitter and the receiver are not paired. Perform device identification.
Pair the devices properly.
29
28
The transmitter‘s batteries are flat or the
accupack is flat. Insert new batteries.
Recharge the accupack. 22, 24
25
Sound too low The volume of the amplifier or mixing console is
adjusted to low. Refer to the instruction manual of the
amplifier or mixing console.
The receiver's output level is adjusted too low. Increase the receiver's audio level via the
Audio Level menu item.
34
The receiver's output level is set to Mic but the
receiver is connected to a wrong input.
Connect the receiver to the mic input of
the mixing console or set the receiver‘s
output level to
Line .
34
Bad reception The distance between the transmitter and the
receiving antennas is too high. Reduce the distance between the trans-
mitter and the receiving antennas and
make sure that there is a direct line of
sight between the transmitter and the
receiving antennas. 15
The antennas are not properly connected or
optimally positioned. Check the antenna cables or the antennas
and reposition the antennas. 15, 16
Receiver does not
react to any button
press
The lock mode is activated. Locked appears
on the display panel.
Deactivate the lock mode. 34
The devices take a
very long time to
establish a radio
link The devices need more time to establish the
radio links because a multi-channel system is
being put into operation for the first time. Refer to the enclosed “Multichannel
Operation” leaflet. 29
The devices need more time to establish the
radio links because there are active interfering
sources in the vicinity of the devices. Move paired transmitters closer to the
receiving antennas and deactivate
sources of interference such as WiFi and
Bluetooth. 15