Apple TV/FM Radio System - Manual (Page 132)

The image is too white or too dark.
m Adjust the video screen controls. (Choose Show Controls
Window from the Windows menu and click the video
screen icon.)
m If you have a VCR connected to your video input card, make
sure you’re not having a problem with the videotape or the
VCR itself. (Connect the VCR back to your TV and play the
tape to see if the image is still bad.)
m The voltage output of your video equipment may be too
high or too low for the video input card. Therefore, your
video equipment may be sending video signals that are too
strong (causing a white picture) or too weak (causing a very
dark picture) for the video input card. Try connecting
different video equipment to the card.
You have a dark or “rolling” picture.
m Adjust the video screen controls. (Choose Show Controls
Window from the Windows menu and click the video
screen icon.)
m If you have a VCR connected to your video input card, make
sure you’re not having a problem with the videotape or the
VCR itself. (Connect the VCR back to your TV and play the
tape to see if the image is still bad.)
m If your computer is also connected to a secondary monitor,
make sure that your connection goes from the VCR to the
monitor, ending at the video input card. (The connection
must end at the video input card, not the secondary
monitor.) Also check that your secondary monitor is set to
loop-through (also known as “Hi-Z”) input.
125 Troubleshooting