Leica Lino ML90 User Manual page 18

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Checking the accuracy of the horizontal line

Set up the instrument on an even and flat surface.

Allow the instrument to level.

Position the instrument approx. 5 m away from the

wall. Direct the instrument at the wall and switch on

the horizontal and front vertical Laser line and mark

the intersection point of laser crosshairs on the wall.

Swivel the instrument to the right and then to the

left. Observe the vertical deviation of the horizontal

line from the marking. If the difference does not

exceed 3 mm, then the Leica Lino is within tolerance.

Leica Lino ML series 785880c en

Checking the accuracy of the vertical line

Set up the instrument on an even and flat surface or

on a stable tripod. Allow the instrument to level. As

reference, use a plumb-bob and attach it as close as

possible to an approx. 3 m high wall. Position the

instrument at a distance of approx. 1.5 m from the

wall at an elevation of approx. 1.5 m. Direct the

instrument at the wall and switch on the laser. Acti-

vate one of the vertical laser lines. Rotate the instru-

ment and align it with the bottom of the plumb line.

Now read off the maximum deviation of the laser line

from the top of the plumb line. If the difference does

not exceed 2 mm, then the Leica Lino is within toler-

ance.

1.5 m

Checking the accuracy

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