HotShot SC User Manual Rev 1.2.5 –March 2012 © NAC Image Technology IncJimmy Robinson476.14.6 Image Centre ReticuleThis will put a Cross Hair in the center of the image. This can be used to assist inaligning multiple cameras onto the same target object.6.15 Advanced Tools6.15.1 Auto TriggerOnly on SC SeriesAuto Trigger allows you to specify a region in the live image from the camera whichwill be monitored by the software. If this portion of the image changes above adefined threshold level, it will cause the camera to automatically TRIGGER arecording.NOTE : There will be some latency between the image change and the triggercommand. This tool should be used ONLY when an approximate trigger time isrequired. For an accurate Trigger you should use the trigger IN BNC connection.To minimize this latency when using a colour camera, in particular a colour HotShotMEGA camera, it is recommended that you make use of the SPEED BOOST function(see 6.7.1).