Sennheiser HDVA 600 User Manual

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Using the HDVA 600
HDVA 600 
| 12
Selecting an audio source
Use the input selection rotary switch to select your connected audio
source.
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WARNING
Danger of hearing damage!
In order to protect your hearing, before switching to a different
audio source, first set the volume on the headphone amplifier to
a low level. Different signal sources and different listening material
(e.g. different pieces of music on different CDs) can have widely
varying signal levels. In the case where you switch to a higher level
signal source from a lower one without first reducing the volume
level this can lead to high volume levels in the headphones and
could damage your hearing.
Set the volume on the headphone amplifier to a low level (see
page 13) before switching to a different audio source.
Switch position
Selected input on the 
headphone amplifier
UNBAL
RCA (analog)
BAL
XLR-3 (analog)