Specifying Your A/V Input Settings - Matrox MXO2 Installation And User Manual

Select Use external genlock source (REF) if you connected an external
3
analog genlock source to MXO2's REF/REF IN connector, such as a
bi-level analog black burst for SD or a tri-level sync for HD. If you don't
have an external genlock source connected to MXO2, clear this option to
genlock to MXO2's internal reference signal during playback, and genlock
to your capture source during capture (see
settings"
Remarks
When capturing RGB material from a DVI source using MXO2's HDMI
$
input, you must use an external genlock source.
When capturing video with digital closed captioning (see
$
4VANC capture and playback"
capture source and not an external genlock source. Clear this option to
genlock to your capture source.
To indicate whether or not MXO2 is presently locked to your external
genlock source, the status will be displayed next to the Genlock format
menu as Locked or Not locked .
From the Genlock format menu, select the video format of your external
4
genlock source.
¡ Important To ensure good output results, make sure that your genlock
source's video format is compatible with the MXO2 video output format.
Use the horizontal and vertical settings under Video Output Timing Offset
5
to adjust the timing of the video output relative to your external genlock
source. This lets you compensate for cable delays within your system.

Specifying your A/V input settings

You can select the MXO2 video and audio inputs to be used as your capture
source. Only one video and audio input source can be used at a time. You can
also capture your video to a different format than your source video by enabling
scaling on the input.
¦ Note When capturing, MXO2 outputs your source video at the capture format.
The Matrox video output settings are ignored during capture.
For descriptions of the MXO2 inputs, see
input and capture formats that are supported on MXO2, and to view the MXO2
input scaling options, see
Capture Formats."
¦ Note The HDMI video input does not support SD video for capture. When
capturing RGB material from a DVI source using MXO2's HDMI input, you
must use an external genlock source (see
page 54).
on page 55).
Appendix C, "Matrox MXO2 Supported Input and
"Specifying your A/V input
on page 66), you must genlock to your
"Inputs" on page 158. For a list of the
"Specifying your genlock settings"
Specifying your A/V input settings
55
"Matrox
on