16
5-2 Sensitivity adjustment
Step
1. Turn the sensitivity adjuster fully counterclockwise to the
2. In the light received condition, turn the sensitivity adjuster
A where the sensor
enters the “Light” state operation.
3. In the dark condition, turn the sensitivity adjuster further
clockwise until the sensor enters the “Light” state opera-
tion and then bring it back to confirm point B where the
sensor just returns to the “Dark” state operation.
If the sensor does not enter the “Light” state operation
even when the sensitivity adjuster is turned fully clock-
wise, the position is point B.
4. The position at the middle of points A and B is the opti-
mum sensing position.
Notes: 1) Use the accessory adjusting screwdriver to turn the adjuster slowly. Turning with excessive strength
will damage the adjuster.
2) In case of using EX-22
range becomes extremely narrow.
Sensitivity
adjuster
A
A
B
B
A
Optimum
position
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