Audiovox VME9020TS Manual & Warranty page 56

SURR SETUP Menu Features
FL (Front Left) / FR (Front Right)
Large: Use when front speakers have good bass output.
Small: Use when speakers do not have good bass output.
LR (Left Rear) / RR (Right Rear)
Large: Use when rear speakers have good bass output.
Small: Use when rear speakers do not have good bass output.
None: Use when rear speakers are not present.
SUB (Subwoofer)
Present: Use when subwoofer is present.
None: Use when subwoofer is not present
CTR (Center)
Large: Use when center speaker has good bass output.
Small: Use when center speaker does not have good bass output.
None: Use when center speaker is not present.
BACK: Return to previous menu.
SURROUND FX Menu Features
Decode Mode
Off: Play original audio format.
Surround I: Use Surround I decoding method.
Surround I Matrix: Play mono output with surround effect.
Surround I Movie: Enhance movie surround effects.
Surround I Music: Play surround music effects.
Panorama (Only available when Surround I Music Mode is activated.)
On: Extend the video from the front to the rear to achieve a better surround effect.
Off: Panorama is turned off.
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