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NVIDIA QUADRO G-SYNC II

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<strong>NVIDIA</strong> Quadro G-Sync <strong>II</strong> User Guide<br />

32<br />

House Signal<br />

Sync Pulse<br />

This action overrides any refresh rate that you may<br />

have selected from the refresh rate list.<br />

� Generating a Sync Frequency Faster than the External House Signal<br />

You can double the sync frequency by triggering the sync<br />

pulse off both the leading and falling edge of the source<br />

sync signal. This works only with TTL level signals.<br />

Click the Sync Edge list arrow and then select<br />

both leading and falling edges.<br />

House signal<br />

Sync Pulse<br />

� Detecting the Incoming Signal Type<br />

Quadro G-Sync <strong>II</strong> supports the following<br />

external synchronization signal types:<br />

� TTL (3.3 volt level)<br />

Outgoing Sync Interval value of 1<br />

Outgoing Sync triggered from leading and falling edge<br />

� Composite Bi-level (NTSC or PAL sources<br />

use bi-level composite signals)<br />

� Composite Tri-level (HDTV sources commonly<br />

use tri-level composite signals)

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