48 / 80Copyright © 2016 – 2019 Toshiba Teli Corporation, All rights reserved. http://www.toshiba-teli.co.jp/en/index.htmD4256843DxBTriggerControlThis section describes trigger control of TriggerControl category for the BU series.This camera series provides two kinds of exposure synchronization.1. Normal Shutter mode : Free run operation (internal synchronization)2. Random Trigger Shutter mode : Synchronized with external trigger inputIn Random Trigger Shutter mode, two kinds of trigger input are available.1. Trigger signal via the I/O connector (HardwareTrigger)2. Trigger command via the USB interface (SoftwareTrigger)The following table shows the combination of operation mode of this camera series.Table. Operation ModeTrigger Mode Synchronization Exposure ControlNormal Shutter mode Free run “ExposureTime” register controlRandom Trigger Shutter modeHardwareTrigger-Edge mode:TriggerSequence0-Bulk mode:TriggerSequence6“ExposureTime” register controlSoftwareTrigger-Edge mode:TriggerSequence0-Bulk mode:TriggerSequence6“ExposureTime” register control* The camera operation not mentioned above is not guaranteed.