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Просмотр инструкции измерительного прибора Condtrol DeuX, страница 39
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CONDTROL DeuX/UniX
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/UniX
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/UniX
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User Manual
CROSS LINE
LASER
Checking of the vertical line
For this check, a door opening is required with at least 2.5 meters of space
(on a firm surface) to each side of the door.
Position the instrument at a distance of 2.5 meters away from the door
opening on a firm surface (not on a tripod). Allow the instrument to level
in while in cross-line operation and direct the laser beam against the door
opening.
Mark the centre of the vertical laser line at the floor of the door opening (point I),
at a distance of 5 meters beyond the other side of the door opening (point II) and
at the upper edge of the door opening (point III).
Position the instrument on the other side of the door opening directly behind
point II. Allow the instrument to level in and align the vertical laser line in
such a manner that its centre runs exactly through points I and II.
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