MoTeC BR2 BTX - Manual (Page 12)

10 Beacon Transmitter
Aiming / Range
The Beacon Transmitter must be aimed so that the infrared beam is parallel
to the road and at the same height above the road as the vehicle receiver,
therefore the mounting system must be capable of height and tilt adjustment.
The unit must be mounted within 5 degrees (2 degrees preferred) of optimum.
Beam Pattern
The approximate infrared beam pattern is shown below. The pattern shows
the limits of operation.
Up t o 40 m (130f t )
Transmit t er
5m (approx)
Code Number Adjustment
Turn the power off before adjusting the code number to avoid accidental
damage to the electronics.
The code number is set using the rotary switches inside the unit. To access
the switches remove the 4 screws from the front cover of the unit.
LED
The LED has three colours that have the following meanings:
Green OK
Orange Low battery voltage ( Less than 10.5V )
Red Fault or very low battery voltage