Coby DVD938 Instruction Manual page 38

System Setup
This function only applies to the Dolby AC -3 encoded 5.1-
channel discs.
Front, Center, Rear Speaker and Subwoofer
Only when the DOWNMIX mode is set to off (i.e., DOWNMIX is set to
5.1CH) are the CENTER SPEAKER and REAR SPEAKERS activated. The FRONT
SPEAKER can beset to LARGE or SMALL (small is recommended). The
CENTER SPEAKER and REAR SPEAKERS may be set to LARGE, SMALL or
OFF (small is recommended) and the SUBWOOFER can be set to ON or
OFF.
If the speaker is set to LARGE, the output level will be higher
than that of SMALL.
If the speaker is set to SMALL, the output level will be lower
than that of LARGE.
If a speaker is set to OFF, no audio is output from it.
Dialog
When DOWNMIX mode is set to LT/RT or STEREO, this item is available.
Adjust the value of this item to control the dialog volume (e.g., spoken
audio).
NOTE: When playing a disc encoded with 5.1 channels, this item can be
used to adjust the volume of the speakers.
D.R.C. (Dynamic Range Control)
You can set this item to AUTO, ON or OFF.
Page 38 Coby Electronics Corporation