Instructions / Assembly

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7. Calculate the value R.
◁ The value R should be less than 2 mm.
◁ The value R should be less than 1/8".
5.9.3 Checking perpendicularity (horizontal)
1. Position the tool so that the lower plumb beam coincides with the center of a reference cross marked in
the middle of a room at a distance of about 5 m from the walls.
2. Mark all 4 points of intersection on the four walls.
3. Rotate the tool through 90° and make sure that the center of the point of intersection coincides with the
first reference point (A).
4. Mark each new point of intersection and measure each offset (R1, R2, R3, R4 [mm]).
5. Calculate the offset R (RL = room length).
◁ The value R should be less than 3 mm or 1/8".
Printed: 07.09.2017 | Doc-Nr: PUB / 5343678 / 000 / 02