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DH44 4 Source, 4 Zone Digital Audio Router
4. Settings & Operation
DIP Switch Settings
There are two groups of DIP switches on the rear panel of the DH44 that must be set prior to
operation:
SOURCE INPUT GAIN
KEYPAD PAIRING
ANALOG SOURCE INPUT GAIN
Analog Audio SOURCE 3 and 4 have a corresponding DIP switch to adjust the input level rela-
tive to the other sources. Once all connections are made, the Analog Audio Source should be
adjusted for clipping (distortion) before the installation is completed.
To adjust ANALOG SOURCE INPUT GAIN DIP switches:
Ensure that the Analog Audio Source is connected properly to SOURCE 3 or 4.
Power up each source and turn on an audible signal (Press PLAY, tune to a station,
etc.).
Select the Source (3 or 4) from the zone’s DHTP1 Touch Pad.
Adjust the zone’s volume to a normal, comfortable listening level.
Select SOURCE 1 and then SOURCE 2 and compare the levels to SOURCE 3 and/or
SOURCE 4.
If the analog source(s) are playing at a softer volume than the other sources, posi-
tion the DIP switch for that source to the BOOST (UP) position.
Observe the CLIP LED on the front of the DH44. If it lights up constantly or consis-
tently, the source’s output level is too high and needs to be adjusted. In this case,
position the appropriate DIP switch to the DEFAULT (DOWN) position.
Repeat this process for the other analog source.
Figure 4-1: ANALOG SOURCE INPUT GAIN DIP Switches
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