JVC TH-C3 - Manual (Page 41)

Setting DVD preferences
38
7 Subwoofer menu (SUBWOOFER)
LEVEL
You can set the output level of the subwoofer in the -6 dB to +6 dB
range.
CROSS OVER
The signals below the preset frequency level will be sent to and be
reproduced by the subwoofer.
Select one of the cross over frequency levels according to the bass
sound quality from the front/center/surround speakers.
: Other setting menu (OTHERS)
7 RESUME
You can activate or deactivate Resume Playback function.
(
A pg. 29)
7 ON SCREEN GUIDE
You can activate or deactivate the on-screen guide icons.
(
A pg. 20)