User guide

Matrox Maevex 5100 Series – User Guide 37
2
Cause You may be encoding at a resolution that has a different aspect ratio than what your source
or output is using.
1
Solution Try selecting a video size with the same aspect ratio as your source.
2
Solution Make sure Use specific video size is disabled.
3
Cause The aspect ratio of your source may not match the aspect ratio of your monitor.
1
Solution Adjust your video settings:
1 Access the PowerStream main interface.
2 Under Size and Transformation of the local output settings of your unit, try selecting
Stretch to display for scaling.
3 Click Apply for your changes to take effect.
2
Solution If possible, set the display resolution of your source to match the aspect ratio of your monitor.
4
Cause You may be using a lower display resolution than what your monitor supports.
1
Solution In PowerStream, make sure Force display mode is disabled to use the highest display
resolution supported by your monitor. This generally results in better image quality.
5
Cause PowerStream may be configured to modify the size of the video source.
1
Solution Adjust your PowerStream settings:
 Encoder – 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 Image appears blurry
1
Cause You may be encoding at a different resolution than what your source is using.
1
Solution Try selecting a video size with the same aspect ratio as your source.
2
Solution If Use specific video size is enabled, try disabling it to avoid scaling by the encoder.
2
Cause You may be using a lower display resolution than what your monitor supports, or your
monitor supports display scaling.
1
Solution In PowerStream, adjust Force display mode to use the highest display resolution available.
This generally results in better image quality.