How to use external trigger

An external trigger can be used to trigger the start of the motion capture. For a system with a Camera Sync Unit the trigger is connected to any of the trigger ports, see chapter Trigger ports.

The delay between the trigger and capture start can be set, however the minimum is 20 ms. Therefore it is recommended to use the Sync out signal when synchronizing with other equipment. The delay for stopping on trigger is twice as long as the configured start delay.

For Oqus the trigger is connected to a splitter cable on any Oqus camera in the system. If the movement that is captured is very short the external trigger can be used together with pretrigger so that the whole movement is captured.

On the Oqus camera there can be errors if you send a trigger signal when the camera is setting up the measurement. I.e., before it says Waiting for trigger in the Status bar. The problem can be solved by moving the trigger button to the master camera.

Possible external trigger devices are for example:

• Trigger button
• Photo cell
• Other systems