Sennheiser HDV 820 Guida Rapida página 28

If a problem occurs ...
If a problem occurs ...
Problem
No audio signal
No sound when the digital
input (OPT or COAX) is
selected
The audio signal is very low
or distorted when an analog
audio source is connected
Audio signal only on one ear
The PC does not recognize
the HDV 820 as the audio
output device
No audio signal when the
HDV 820 is connected to a
PC or Mac via USB
Sound dropouts when con-
nected via USB
24 | HDV 820
Possible cause
The HDV 820 is switched off
Input selection
The rotary
switch is set to a different
audio source
Input selection
The rotary
switch is between two posi-
tions
The volume is adjusted to low Increase the volume.
The data format of the digital
audio source is not PCM
The volume of the audio
signal on the audio source is
adjusted too low or too high
The signal level of the audio
input is adjusted too low/too
high
The analog audio cable is not
properly connected
The headphone plug is not
properly connected
No driver is installed
Another audio output device
is selected on the PC or Mac
The USB cable is not properly
shielded
If a problem occurs that is not listed in the above table or if the prob-
lem cannot be solved with the proposed solutions, please contact
your Sonova Consumer Hearing partner for assistance.
To find a partner in your country, search at www.sennheiser-hear-
ing.com/service-support.
Corrective action
Switch the HDV 820 on.
Set the INPUT rotary switch to
the desired audio source.
Set the Input selection
switch to one of the two inputs.
Set the audio source to PCM
data format.
If possible, adjust the volume of
the audio signal on the audio
source to a medium level.
Increase or reduce the signal
level of the ANALOG IN UNBAL
audio input.
Properly connect the audio
cable to the playback device.
Properly connect the head-
phones to the headphone
amplifier.
Install the USB Audio driver.
Select "Sennheiser HDV 820"
as the audio output device.
Use a USB cable that is at least
USB 2.0 certified.
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