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THORLABS DCU22 Series User Manual

THORLABS DCU22 Series
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80 DCx camera
© 2010 Thorlabs
Capture errors
This group box provides detail information on errors that occurred during an image capture process:
Error
Description
#
API no destination
memory
There is no destination memory for copying the finished image.
1
API conversion failed
The current image could not be processed correctly.
2
API image locked
The destination buffers are locked and could not be written to.
3
DRV out of buffers
No free internal image memory is available to the driver. The image was
discarded.
4
DRV device not
ready
The camera is no longer available. It is not possible to access images
that have already been transferred.
5
USB transfer failed
The image was not transferred over the USB bus.
6
DEV timeout
The maximum allowable time for image capturing in the camera was
exceeded.
7
ETH buffer overrun
Not applicable to USB cameras.
8
ETH missed images
Not applicable to USB cameras.
9
#
Possible cause
Remedy
1
Not enough destination memory allocated
or all destination buffers locked by the
application
Reduce the frame rate so that there is more time to
process the filled destination memory
2
Internal error during internal processing of
the image
-
3
All destination buffers locked by the
application
Reduce the frame rate so that there is more time to
process the filled destination memory
4
The computer takes too long to process the
images in the API (e.g. colour conversion)
Reduce the frame rate so that there is more time to
process the filled image memory of the driver
Disable resource-intensive API image pre-
processing functions (e.g. edge enhancement,
colour correction, choose smaller filter mask for
software colour conversion)
5
The camera has been disconnected or
closed
-
6
Not enough free bandwidth on the USB bus
for transferring the image
Reduce the pixel clock frequency
Operate fewer cameras simultaneously on a USB
bus
Check the quality of the USB cabling and
components
7
The selected timeout value is too low for
image capture
Reduce the exposure time
Increase the timeout

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THORLABS DCU22 Series Specifications

General IconGeneral
BrandTHORLABS
ModelDCU22 Series
CategorySecurity Camera
LanguageEnglish

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