Matrox Electronic Systems II manual General synchronization, Slave mode, Master mode

		Matrox Meteor-II /Multi-Channel grab section 61
	■	The on-board crystal oscillator.
	■	The horizontal video synchronization signal supplied by the
		video source (line-locked mode).
		When in line-locked mode and accepting a composite video
		signal, the PLL can synchronize to either serrated or block
		vertical synchronization signals.
	■	The clock signal supplied by the video source (to generate a
		different clock).
	When the input source supplies a sampling clock that does not
	require adjustment, the PLL is bypassed to avoid adding jitter
	to the supplied clock.
	General synchronization
	Matrox Meteor-II /Multi-Channel can operate in either slave
	or master mode.
		In slave mode, the video source provides the synchronization
Slave mode	■
		information to Matrox Meteor-II /Multi-Channel. It can
		accept one of the following synchronization schemes:
		❐ The video source encodes the synchronization signals on
		the analog video signal provided to the board.
		❐ The video source supplies the horizontal and/or vertical
		synchronization signals separately in TTL format.
		❐ The video source provides a composite synchronization
		signal in TTL format, separate from the analog video.
	■	Synchronization information can be sent either with the
		video data, or on a separate analog synchronization channel.
		In master mode, Matrox Meteor-II /Multi-Channel
Master mode	■
		generates (using the PSG) the horizontal and/or vertical
		(TTL) synchronization signals and supplies them to the video

source. This allows the video source to synchronize to the board.