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- Each clock output requires a National Instruments counter/timer channel. These must be specified in the INI file. Both Board and Counter ID values must be specified – i.e. frameClockBoardID, frameClockCtrID, lineClockBoardID & frameClockCtrID must be specified to enable frame clock feature, etc.
Note that Ctr0 on the primary board (acquisitionBoardID) is reserved by ScanImage, and not available for frame/line/pixel clocks
X series boards have 4 counter/timer channels, while other board families have only 2 counter/timer channels
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