5
Figure 3 Pin Connections
5.0 OPERATION
Note:
Refer to Figure 1 for switch and button locations.
Turn the unit on by moving the Power switch (8) to the
On
position. The
unit may be operated from the internal batteries and/or the charger/power
supply. The internal batteries will be trickle charged when using the AC
charger/power supply. To turn the unit off, slide the Power switch (8) to
the
Off/Charge
position. If the charger is plugged in, the batteries will
charge.
The sensor emits a laser beam, which is reflected back by a target
(reflective tape/paint, keyway, contrasting colors, etc). This reflected light
is sensed and amplified then compared to a threshold level (sensitivity) -
the lower the threshold level, the more „sensitive‟ the sensor is. Whenever
the amplified signal is above the threshold, the output goes high (positive
