Matrox MXO2 PCIe Host Adapter - Manual (Page 179)

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Defining your playback settings
° To specify your video output settings:
1 Click the Settings tab in the Project window, and then double-click Video
Output .
2 In the Matrox Playback Settings dialog box, click the Video Output tab.
3 Under Priority Output (never blanked) , select either Analog or HDMI to
indicate whether you want the analog or HDMI output to have priority (never
be blanked) when MXO2 Mini needs to blank either the main or secondary
output to perform additional scaling on the video output. Additional scaling
is needed when your main and secondary output formats don’t match and the
video quality for playback is set to anything other than Full Quality. For
example, if you select
Analog as your priority output, then the secondary
HDMI output will be blanked whenever MXO2 Mini needs to perform
additional scaling on the video output.
4 Under Analog Output (Main) , you can specify the settings you want for
your main analog output from MXO2 Mini. Under HDMI Output
(Secondary) you can specify the settings you want for your secondary
HDMI output. Depending on your project’s video format, you may not be
able to change some of the settings.