Contec PC-HELPER Series Reference Manual page 53

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Function
AI-1204Z-PE Reference Manual
 Clock
The sampling clock controls the sampling frequency. You can select either the internal sampling clock,
or external sampling clock, or the output of the event controller.
Internal sampling clock
The clock signal from the installed clock generator is used.
External sampling clock
The edge of the digital signal input from an external device is used for the sampling clock.
Event controller output
A specified output of the event controller is used as the sampling clock. Refer to the explanation of the event
controller functions or to the driver help for details about the event controller.
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