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10. Press the button. “CAL 3” will appear on the screen followed
by “OK.”
11. Rotate the Laser Distance Meter 180 degrees so the laser beam
is pointing towards you and the screen is facing the sky.
12. Press the button. “CAL 4” will appear on the screen followed
by “OK.”
13. The Laser Distance Meter will power down, and calibration of the
angle sensor will be complete.
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