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If a problem occurs ...
24 | HDV 820
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 pro-
posed solutions, please contact your Sennheiser partner for assistance.
To find a Sennheiser partner in your country, search at www.sennheiser.com > “Service & Support”.
Problem Possible cause Corrective action Page
No audio signal
The HDV 820 is switched off Switch the HDV 820 on. 19
The Input selection rotary
switch is set to a different
audio source
Set the Input selection rotary
switch to the desired audio
source.
21
The Input selection rotary
switch is between two
positions
Set the Input selection rotary
switch to one of the two inputs.
21
The volume is adjusted to low Increase the volume. 22
No sound when the digital
input (OPT or COAX) is
selected
The data format of the digital
audio source is not PCM
Set the audio source to PCM
data format.
–
The audio signal is very low
or distorted when an analog
audio source is connected
The volume of the audio
signal on the audio source is
adjusted too low or too high
If possible, adjust the volume of
the audio signal on the audio
source to a medium level.
–
The signal level of the audio
input is adjusted too low/too
high
Increase or reduce the signal
level of the ANALOG IN UNBAL
audio input.
22
Audio signal only on one ear
The analog audio cable is not
properly connected
Properly connect the audio
cable to the audio device.
9
The headphone plug is not
properly connected
Properly connect the
headphones to the headphone
amplifier.
20
The PC does not recognize
the HDV 820 as the audio
output device
No driver is installed Install the USB Audio driver.
12
No audio signal when the
HDV 820 is connected to a
PC or Mac via USB
Another audio output device
is selected on the PC or Mac
Select “Sennheiser HDV 820”
as the audio output device.
12
Sound dropouts when
connected via USB
The USB cable is not
sufficiently shielded
Use a USB cable that is at least
USB 2.0 certified.
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