Sony GV-500 - Manual (Page 32)

To Activate the various Sound Effects
You can listen to dynamic bass and surround sound by using the supplied stereo earphones.
Refer to the table telow for each function.
SURR (surround)
function
MEGA BASS
function
VOCAL REDUCTION
function
Headphone Active Active Active
Speaker Not active Not active Active
Line out Not active Not active Active
For the VOCAL REDUCTiON function, see page 48.
Activate the desired function by pressing SURR/MEGA BASS.
“SURROUND* or ‘MEGA BASS' indication will appear on the screen and disappear after a few
seconds.
To listen to dynamic bass sound
Select MEGA BASS function.
To listen to surround sound
Select SURR (surround) function.
(Only when receiving stereo TV program or playing back the stereo sound)
> SURR (surround)/MEGA BASS function is not active simultaneously when using VOCAL
REDUCTION function.
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