NAD S170iAV, Owner'S Manual, Page: 21 / 164

21
CONFIGURING THE S170i
BOUNDARY GAIN COMPENSATION
This THX Ultra 2 feature compensates for the audio gain (level increase) when the subwoofer is placed
against a wall or near a room corner.
NOTE
This feature is only applicable when using a THX Ultra 2 certified subwoofer for which the frequency
response and sensitivity are part of the specification.
Select <THX Ultra2 Sub> using the remote’s [Cursor ] keys, then select <Yes> or <No> using the
remote’s [Cursor ] keys. Then using the remote’s [Cursor ] keys select <Boundary gain comp.>,
then select <On> or <Off> using the remote’s [Cursor ] keys.
NOTE
Boundary gain compensation can only be selected if the <THX Ultra2 Sub> menu item is selected to
<Yes>.
ASA
This THX feature adjusts the gain and delay of the Back Surround speakers to compensate for their
physical location in the listening room. Choose from three possible locations: together, close, or apart.
NOTE
You must have two (7.1) Back Surround speakers for this feature to work.
Select <Back speakers> using the remote’s [Cursor ] keys, then select <Together> or <Close> or
<Apart> using the remote’s [Cursor ] keys.
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