52 / 80Copyright © 2016 – 2019 Toshiba Teli Corporation, All rights reserved. http://www.toshiba-teli.co.jp/en/index.htmD4256843DxBExposureTimeBU series is able to adjust exposure time by using electric shutter control.BU USB series provides two kinds of exposure time control mode.- Manual : The exposure time is determined by “ExposureTime” register setting value.- NoSpecify : The exposure time is determined by “AcquisitionFrameRate” register setting value● RegistersRegister Visibility Access DescriptionExposureTimeControl Beginner R/W Selects exposure time control mode.ExposureTime Beginner R/W Sets absolute exposure time.● Setting- Select exposure time control modeSet the “ExposureTimeControl” register to “Manual”.Set the following value to “ExposureTime” register. Setting value is Float type.AcquisitionFrameRateControl FunctionNoSpecify The frame rate is determined by giving priority to AcquisitionFrameRate setting value.Manual (*) The frame rate is determined by giving priority to ExposureTime setting value.* initial factory settingModel BU132MExposureTime (*) 16000 [μs]ExposureTimeMin 30 [μs]ExposureTimeMax 1000000 [μs]* initial factory setting