the beam is not established

Turn ON the corresponding Black Box on Align it until the light on the Gray Box starts blinking green

Check that you have the right version of the timers for your sport. Under the gates you will find a “Narrow” or a “Wide” engraving.

• The Narrow is for sports with human athletes, the distance from the gray to the corresponding black box can be no less than 4ft and up to 8ft to 10ft. More than 10ft could cause the beam to be too weak to be reliably detected by the gray box.

• The Wide is for sports that need a much wider gate, such as for horses, cars, etc. The Wide gates can not be closer to 20ft and can not be used to time human athletes. The beams are very powerful and the optics are extremely sensitive (in order to reach all the way to 150ft+) so when they are too close or tested in a room with walls and ceilings the beam will bounce around and not be properly cut. You need to test these in an arena or race track at the prescribed distances.

If your problem has not been resolved run the Table-top test: