NED XCM20125GIG User Manual

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NED XCM20125GIG User Manual Manual pdf 32 page image

NEDXCM20125GIG UME-0041-01324.3.1 OffsetX and Width SettingsBy using the 2 settings OffsetX and Width, a specific region only can be read outfrom the camera. The range of values is as follows:・OffsetX: 0~2044・Width: 4~2048Notes:OffsetX and Width can both only be set in multiples of 2.e.g. OffsetX = 5 is not possible.In addition, if the total of OffsetX and Widthexceeds 2048, the input will notbe accepted.First, reduce one value, then increase the other.(e.g. 1) To go from OffsetX = 0, Width = 2048 to OffsetX = 512, Width =1024. First, set Width to 1024, then set OffsetX to 512.(e.g. 2) To go from OffsetX = 512, Width = 1024 to OffsetX = 0, Width =2048. First, set OffsetX to 0, then set Width to 2048.As shown below, setting OffsetX = a, Width = b results in the region a＋1~a＋bbeing specified.(e.g.) To specify pixel 513~ pixel 1536, set OffsetX = 512、Width = 1024.Figure 4-3-1-1 Valid Pixel RegionIf this function is used to select less than the central 1024 pixels, a faster thanusual scan rate can be achieved. See “4.6 Exposure Mode and Timing”.When setting less than the central 1024 pixels, use the below settings:・Offset：>512, <1532・Width：>4, < (1536-OffsetX)