Kapro CROSSLIGHT 3D LASER GREEN 863G, Руководство пользователя

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5. Checking 90º accuracy between the 2 vertical
beams.
This procedure requires a room of at least 5x5 meters with
3 walls.
1) Set up the laser on a table or on the floor in the middle of
the room.
2) Turn on the laser and press beam selector button to
project the front and the side vertical beams.
3) Mark the center of the front vertical beam in 3 places;
• Point a1 on the left wall A
,
in the middle of the vertical
line.
• Point b1 on the right wall B
,
in the middle of the
vertical line.
• Point c1 on the table on the intersection point of the two
vertical lines.
4) Mark the point c2 on the front wall C , in the middle of the
side vertical beam (see figure # 7).