Sony XTL-6100MK2 - Manual (Page 9)

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Press (V OFF) for two seconds.
You only hear the sound of the selected programme.
To cancel the visual off function, press (V OFF) again. If you
turn the unit off or turn the ignition switch to the OFF position,
the visual off function will be cancelled.
The visual off function is also canceled when you select another
TV programme with the programme number buttons (TV only).
Listening to the TV/video Sound
with the Picture Off
(Visual off function)
V (visual) OFF button
NAVI TV/VIDEO
SEL
A MEM V OFF DSPL
2SEC
7 8 9
1 2 3
4 5 6
10 11 12
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