THORLABS DCU223x Operation Manual And Sdk page 106

DCx Cameras
Note
Frame rates in trigger mode: Please note that the frame rate in trigger mode is always lower than in freerun
mode. This is due to the sequential transmission. First the exposure takes place, then the transfer. A new exposure
can only be performed after the transmission is completed. Therefore, the freerun mode is faster.
High trigger rates are achieved only with short exposure times and a high pixel clock setting.
Default
Click this button to reset all parameters to the model-specific defaults.
See also:
Basics: Shutter methods: Global start
Programming:
Trigger:
is_SetExternalTrigger()
3.4.2.7.7 Input / Output
On this tab, you can set the parameters for the flash output and the GPIOs on your DCx camera (see also
in-/output (trigger/flash)
Attention
When you are using the DCx Camera's flash function, you need to re-enable the flash (i.e. disable and then
activate it again) whenever you change the pixel clock setting or horizontal image geometry. This is necessary to
newly synchronize the internal timing settings of the flash output with the start of sensor exposure.
Flash output
With these radio buttons, you choose which digital output function you want to activate on the camera:
Off
The digital output is disabled.
Constant high
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Digital
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