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THORLABS DCC1645C User Manual

THORLABS DCC1645C
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© 2013 Thorlabs GmbH
4 Programming (SDK)
431
4.5.37 is_SetFlashStrobe
USB 2.0
USB 2.0
Syntax
INT is_SetFlashStrobe (HIDS hCam, INT nMode, INT nLine)
Description
Attention
This function is obsolete and should not be used anymore. We recommend to use the is_IO() function
instead (see also Obsolete functions ).
is_SetFlashStrobe() controls the DCx Camera's digital outputs and defines the flash strobe behavior. The
digital outputs can be used in both freerun mode and trigger mode. You can synchronize the output level to the
exposure time or set it statically.
For details on flash timing, see the Digital input/output (trigger/flash) and Operating modes chapters.
Notes
Duration and Trigger Delay
You can set the flash duration and flash delay using the is_SetFlashDelay() function. The
is_GetGlobalFlashDelays() returns the values required for precisely synchronizing the flash signal to the
current timing settings.
Accuracy of Flash Synchronization
The following parameters have an influence on the camera's internal timing:
Image geometry (CMOS and CCD sensors)
Pixel clock (CMOS and CCD sensors)
Exposure time (CCD sensors)
If you change any of these parameters, you will have to set the flash duration and flash delay parameters once
again.
Input parameters
hCam
Camera handle
nMode (Flash mode)
Flash strobe with exposure time synchronization
IS_SET_FLASH_OFF
Disables the digital output.
IS_SET_FLASH_LO_ACTIVE
Enables the flash strobe in trigger mode.
LO_ACTIVE: The digital output is set to low level for the
flash duration.
IS_SET_FLASH_HI_ACTIVE
Enables the flash strobe in trigger mode.
HI_ACTIVE: The digital output is set to high level for
the flash duration.
IS_SET_FLASH_LO_ACTIVE_FREERUN
Enables the flash strobe in freerun mode.
LO_ACTIVE: The digital output is set to low level for the
flash duration.
IS_SET_FLASH_HI_ACTIVE_FREERUN
Enables the flash strobe in freerun mode.
HI_ACTIVE: The digital output is set to high level for
the flash duration.
IS_GET_FLASHSTROBE_MODE
Returns the current mode.
IS_SET_FLASH_IO_1
Additionally enables the flash strobe via the first general
purpose I/O (GPIO 1) if supported by the camera
model.
IS_SET_FLASH_IO_2
Additionally enables the flash strobe via the second
general purpose I/O (GPIO 2) if supported by the
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THORLABS DCC1645C Specifications

General IconGeneral
BrandTHORLABS
ModelDCC1645C
CategorySecurity Camera
LanguageEnglish

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