JAI RMC-4200GE User Manual
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Contents
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RM/TM-4200GE Series24 OperationWhen n=0, the exposure time is the minimum exposure time. It is equal to:In this mode the maximum exposure time is equal to the setting for one frame. If the user specified exposuretime is longer than the time allowed for one frame, it will be ignored by the camera.3.3.3 Asynchronous No Shutter ModeIn Asynchronous No Shutter Mode, applying the external trigger starts a camera scan reset. The camera finishesthe line it is scanning and scans an additional 9 video lines, this charge is sent to the horizontal register.Because the external trigger is randomly applied, the new image charge may overlap with the previous image.To prevent an existing charge accumulation from interfering with a new image, most users set up theapplication in a dark area and depend on a strobe light for illumination. From the time the external triggeractivates until the transfer gate turns off, about 9.5 video lines are available for integration; if everything isproperly configured, the strobe flashes during this time.Figure 16. External Trigger Timing. |
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