User guide

Matrox Maevex 5100 Series – User Guide 33
2
Cause Your monitor video controls may be improperly set.
1
Solution Adjust your monitor controls (brightness, contrast, and so on). For more information, see
your monitor manual.
3
Cause Your monitor may not be properly connected (the connectors aren’t properly fastened or the
monitor power cable isn’t firmly in place) or may have been disconnected.
1
Solution Make sure you’re using the correct connectors, that all connectors are properly fastened, and
that all power cables are firmly in place.
Problem Screen image is cropped, appears off-center, or uses a portion of the
screen
1
Cause You may be using a lower display resolution than what your monitor supports. If your
monitor supports display scaling, the image on your screen may appear blurry. If display
scaling isn’t supported, the display may use only a portion of your screen.
1
Solution In PowerStream, adjust Force display mode to use the highest display resolution available.
This generally results in better image quality.
2
Cause PowerStream may be configured to modify the size of the video source.
1
Solution Adjust your PowerStream settings:
 Encoder – Click the Processing tab, enable the Use specific video size option, then
specify the width and height of your video to match the aspect ratio of your source.
 Decoder – Make sure the settings for Crop video are set to properly show the video.
For more information, see Matrox PowerStream help.
Problem Encoder only – Using ‘pass through’, the screen is unusable
(blank or blinking screen)
1
Cause Your monitor may be incompatible with the display mode used by your source.
1
Solution Make sure your monitor and your source support similar display modes. To validate the
quality of your source, see “Validating video and audio quality”, page 22.
2
Solution Change the display mode used by your source.
3
Solution Try using a different monitor.