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7.3 Vertical Calibration Check:

1. Set the laser up in vertical leveling mode as per procedure 3.2

2. Set up a plumb line in front of a wall approximately 10m from the laser.

3. Physically move the laser to aim the rotating beam at the plumb line.

4. Check if the laser accurately follows the plumb-line. If the beam deviates

from the plumb line do not move the laser and proceed with the

calibration procedure for the vertical axis outlined in 7.4

7.4 Vertical Calibration Adjustment:

1. Press and hold the

and

buttons on the laser control panel for about

3 seconds. The anti-drift LED will start flashing to indicate that the laser

is in vertical calibration mode.

2. Use the

or buttons to adjust the angle of the beam until it no longer

deviates from the plumb line.

3. Press and hold the

and

buttons on the laser control panel for about

3 seconds to save the calibration data and exit vertical calibration mode.

The laser will return to vertical leveling mode and the anti-drift LED will

turn off.

Note: If the laser is turned off without saving the calibration data, the calibration

of the laser will not change and you must begin the entire calibration

procedure again.

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Bear POLAR User Manual

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