Sony KV-40XBR700 - Manual (Page 25)

Installing the TV
17
To use Twin View with the cable box
❑
Turn on the VCR. (The VCR’s tuner is used as one of the Twin
View picture sources; if you do not turn on the VCR, the Twin
View will not work.) Use the remote control’s TV/VIDEO button to
set the Twin View output to VIDEO 1. Change one Twin View
channel by changing channels on the cable box.