Sony FD Trinitron WEGA KV-32HS500 Operating Instructions Manual page 47

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Twin View lets you see two pictures from two sources -- from an
antenna, VCR, DVD, etc., -- on the screen at the same time. You hear
the sound from only one of the sources at a time, but you can choose
which source's sound is selected. You can also change the relative size
of each of the pictures.
Displaying Twin 1
Pictures 2
Tune the TV to a working channel.
Press CII-
A second picture appears. The active picture is highlighted in
blue.
/"ocanceH/"win Viewand watch Lhe active picture
Press 1_ or O.