Pluto Trigger - Manual (Page 25)

6. Point you laser beam on to the laser sensor on front side of Pluto Trigger
(the transparent led). Check the sensor value in the app to make sure
laser is aligned.
7. Adjust the “sensitivity” setting using the slider. Make sure the sensor value
is greater than the threshold (middle of the arc) when laser beam is
feed to the laser sensor. And also make sure the sensor value is smaller
than the threshold when you break the laser beam.
8. Use the “delay” setting to delay the triggering of your camera or flash.
The unit can be set to microsecond, millisecond and second.
9. Press the "Start" button to run the program. Now whenever you break
the laser beam, Pluto will trigger your camera.
NOTE : If you would like to take photo of high speed object, you should
trigger flash rather than camera. In Flash method, the camera port of Pluto
Trigger is connected to flashgun, and the camera is triggered by sound
with infrared remote, Pluto Trigger should point to the camera. It may not
be easy to adjust the angle of Pluto Trigger, because it need send infrared
Threshold
Sensitivity
Sensor Value
Trigger Delay
Start Button
Shutter/Flash Method