Sony Handycam DCR-SR68 Operating Manual page 50

When the screen size of display devices (TV,
(MENU) ‚ [Show
etc.) is 4:3, touch
others] ‚ [OUTPUT SETTINGS] (under
[GENERAL SET] category) ‚ [TV TYPE] ‚
[4:3] ‚ ‚ ‚
.
When you connect a monaural device, connect
the yellow plug of the A/V connecting cable
to the video input jack, and the white (left
channel) or the red (right channel) plug to the
audio input jack on the device.
US
50