
1.2. Beam alignment
1.3. Beam response time
1.4. LEDs
The red transmitter LED is always ON providing there is sufficient power. The red receiver LED
is OFF in normal use and ON when there is an alarm condition.
1.5. Receiver dipswitches
Dipswitch 7 & 8 must be ON to show the signal strength. Use dipswitch 9 to turn the Buzzer
ON and OFF, the buzzer will trigger when there is an alarm condition.
Dipswitch 10 on both the receiver and transmitter will turn ON\OFF the digital display and
LEDs.
On both the transmitter and receiver look through
the view finder at a distance of 5cm, and adjust
the vertical and horizontal angles until the
opposite beam is in the centre of the view finder.
You can adjust the horizontal angle using the Horizontal
angle adjustment knob, and the vertical angle using the
Vertical angle adjustment screw.
On the receiver make sure dipswitches 7 & 8 are ON to
display the signal strength on the LCD screen. The signal
strength must not be below 1.8 and for best results
should be as high as possible to a maximum of 3.6.
Adjust the response time of the receiver generating an alarm based on
the time needed for an intruder to cross the beam area.
The Min point is the slowest time (0.4m/s) needed to trigger an alarm.