Basler A102K User Manual
Also see for A102K: User manual
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Operation and Features3-32 BASLER A102kDRAFT3.10 Test ImagesThe test image mode is used to check the camera’s basic functionality and its ability to transmitan image via the video data cable. The test image can be used for service purposes and for failurediagnostics. In test mode, the image is generated with a software program and the camera’s digitaldevices and does not use the optics, CCD sensor, VGC or ADC. Three test images are available.You can put the camera in test image mode using either the camera configuration tool CCT+ (seeSection 4.1 and the configuration tool’s on-line help file) or binary commands (see Section 4.2).With the CCT+, you use the Test Image setting on the Output tree to select the test image. Withbinary commands, you use the Test Image command.3.10.1 Test Image OneTest image one consists of lines with repeatedgray scale gradients ranging from 0 to 255 (in8 bit output mode) or 0 to 1023 (in 10 bit outputmode). The top line starts with a gray value of 0on pixel 1. The second line starts with a grayvalue of 1 on the pixel 1. The third line starts witha gray value of 2 on the pixel 1, and so on. Line256 (8 bit mode) or 1024 (10 bit mode) starts witha gray value of 255 or 1023 on the pixel 1. Line257 (8 bit mode) or 1025 (10 bit mode) restartswith a gray value of 0 on the pixel 1, and so on.Depending on the output mode selected on thecamera, either the 8 bit test image or the 10 bittest image will be active.If the camera is set for an exposure mode thatuses an ExSync signal, an ExSync signal isrequired to output the test image. A test imagewill be generated and transmitted on each cycleof the ExSync signal.If the camera is set for free-run, each cycle of thecamera’s internal control signal will trigger thetransmission of a test image. When a test image is active, the gain, offset, and exposure time have no effect on theimage.Digital shift makes test images appear very light, therefore, digital shift should be dis-abled when a test image is active.Binning and Area of Interest will effect the appearance of test images.If the camera is set for an exposure mode that uses an ExSync signal, the ExSyncsignal must be present and must toggle in order for the camera to output test images.Figure 3-20: Test Image One (8 bit mode)Figure 3-21: Test Image One (10 bit mode) |
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