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Solutions to Common Problems
Appendix D Setting Sync Mode
The Cobra R1300A / R1300S2 has the capability for fixed and agile sync.
The default sync mode setting is for agile sync which replicates the source
sync polarity signals. However some displays require a fixed sync polarity
that is not possible to change at the video source.
The following details jumper settings to change the sync polarity of the
horizontal and vertical sync signals (note that jumpers JP6 and JP7 have no
affect in agile mode):
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