Denon AVR-1683 Operating Instructions Manual page 43

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Operating the surround mode and surround parameters from the marn unit's panel.
Turn the SELECT knob to select the surround mode.
(Main mtl
1 2 I,3
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When turned clockwise
FYI
DIRECT - STEREO - DOLBY PRO LOGIC II - 5CH STEREO -
MONO MOVIE
VIRTUAL SURROUND - MATRIX - VIDEO GAME - JAZZ CLUB -
ROCK ARENA -II
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When turned counterclockwise
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DIRECT -
STEREO - DOLBY PRO LOGIC ll - 5CH STEREO - MONO MOVIE
VIRTUAL SURROUND -MATRIX -VIDEO GAME -JAZZ CLUB -
ROCK ARENA
% To select the surround mode while adjusting the surround parameters, channel volume or tone control, press the SURROUND MODE
button then operate the selector.
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Press the SURROUND PARAMETER button.
Press and hold in the surround parameter button to select the parameter you want to set.
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The parameters which can be set differ for the different surround modes. (Refer to "Surround Modes and Parameters" on page 44
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Display the parameter you want to adjust, then turn the SELECT knob to set it,
NOTE:
. When playing PCM digital signals or analog signals in the 5CH STEREO, ROCK ARENA, JAZZ CLUB, VIDEO GAME, MONO MOVIE or
MATRIX surround modes and the input signal switches to a digital signal encoded in Dolby Digital, the Dolby surround mode switches
automatically. When the input signal switches to a DTS signal, the mode automatically switches to DTS surround.
Surround parameters @
ROOM SIZE:
This sets the size of the sound field.
There are five settings: "small", " med.s" (medium-small), "medrum", "med.1" (medium-large) and "large". "small" recreates a small sound
field, "large" a large sound field,
EFFECT LEVEL
This sets the strength of the surround effect.
The level can be set in 15 steps from 1 to 15. Lower the level if the sound seems distorted.
DELAY TIME:
In the matrix mode only, the delay time can be set within the range of 0 to 110 ms,
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