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8. Move the base unit to about 5' from Surface B (the location you just marked). Raise
or lower the Base Unit so that the laser dot hits the spot you have already marked.
9. Using the Remote Control, rotate the Base Unit until the laser dot is exactly
on, directly above, or directly below the point marked on Surface A. Mark this
new spot. You should now have two spots marked on Surface A. Any difference
in height between the two marks is equal to twice the error in calibration. If the
two marks are at the same point, the unit does not need to be calibrated.
10. Insert the Allen wrench (provided with your Carrying Case) into the
recalibration port on the Base Unit (where you removed the plug from). Press in
firmly until you engage the socket headed screw.
11. Turn the Allen wrench 45°, then pull it out and note
the position of the laser dot.
Repeat this process until the dot is 1/2 way in between
your first and second markings on Surface A (where you
started this whole thing from). To raise the laser dot, turn
the Allen wrench clockwise. To lower the dot, turn the
Allen wrench counterclockwise.
12. Once the recalibration is complete, turn the laser off (Remote Control switch
in the off position). Replace the Recalibration Plug by pressing it back in firmly.