Sony KP 53HS20 Operating Instructions Manual page 72

Other Information
Problem
You get the same program in the
window picture as in the main
picture
You cannot get anything but TV
channels in your second picture
Favorite Channel does not
display your choices
Some video sources do not
appear when you press TV/
VIDEO
72
Possible Remedies
Both may be set to the same channel. Try changing channels in either the main
picture or the window picture.
You may be running all your channels through a cable box. The cable box will
only unscramble one signal at a time, so you cannot use the Twin View feature. If
possible, run a direct cable to your projection TV's VHF/UHF input (this will only
work if your cable system provides an unscrambled signal).
Be sure the video label has not been set to skip your video inputs. See the Setup
menu on page 63.
Verify that Favorite Channel is set to Manual in the Channel menu (see
"Favorite Channel" on page 52).
Ensure that Video Label is not set to SKIP (see "Video Label" on page 64).