1. Remove the Light Pipe from the blister pack. Do NOT remove the soft moulded diffuser at one end.
2. Remove the rubber grommet from the direct Optics connection socket at the front of the R3 alarm.
3. Push the end of the Light Pipe WITHOUT the soft moulded diffuser into the R3’s Optics connection socket, and carefully screw into the thread. The end of the light pipe MUST be touching the LED inside the R3.
4. Your Optics Head or Mega Head can now be screwed on to the end of the Light Pipe that has the soft moulded diffuser.