22
2
Turn the instrument off.
3
While pressing the height alert on/off key, press the power key. Then press the height
alert on/off key again within two seconds to enter adjustment mode. The height alert
lamp and battery status lamps will flash.
4
Using the hex wrench supplied with the instrument, adjust the axis adjustment screw
(see illustration at right) until the beam is center on the new mark AX. Use the X axis
screw when adjusting the X-axis calibration and the Y-axis screw when adjusting the Y
axis calibration.
Height Alert On/Off key
Note:
Do not disturb the instrument or tripod while
performing step 3.
X2
X1
x
2
about 20m(66ft)
Instrument as seen from above
X-axis adjustment screw
Y-axis adjustment screw
Note:
The laser beam is moved up or down approximate-
ly 6mm (.25 inch) at a distance of 20m (66 feet) by
turning the screw one complete revolution.
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