Phone 425-775-8461 • www.audiocontrol.com
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1
ü
Verify that the digital input from the source is properly connected to
the Concert AVR-1.
ü
Verify that the digital output of the source is enabled. Some DVD
players have a setup menu that can only be accessed if there is no disk in
the player.
Hum on analog inputs
ü
Verify that all the two channel analog audio cables are connected
properly.
ü
If the hum only occurs on one source, try a different set of connect-
ing cables.
ü
If the hum occurs on a source with an external connection such as an
antenna or cable TV, try disconnecting that input. If the hum disappears,
put a ground isolator on that connection.
No Zone 2 audio when playing a DTS encoded video
ü
Most DVD players cannot output a stereo analog version of the
soundtrack while playing a DTS encoded disk. If you want to watch the
movie in the second zone, select the Dolby Digital soundtrack on the disk.
Unable to adjust the Bass and Treble controls
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The Bass and Treble tone controls are defeated.
ü
Confirm that the “Remote Power/Digital Audio” button on the back
panel is in the “Out” position.
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