AccuLine 40-6535 Manual de instrucciones - Página 12
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8. Self-Check and Calibration
IMPORTANT: It is the responsibility of the user to verify the
calibration of the instrument before each use.
The instrument must be self-checked before operation. If the
accuracy is found beyond tolerance, user can make some
adjustment according to directions as follows.
X-Direction Accuracy Self-Check
1. For clarity, we define the direction of handle as Y-direction,
and another direction as X-direction
2. Place the unit on a platform or tripod that is 50' away from a
wall indoors, with the handle facing the wall head-on. Turn the
unit on.
3. Using the detector mark on the wall where the beam hits the wall
and mark that as A.
4. Turn the instrument by 180 degrees, mark the beam as point B.
5. Measure the vertical distance between point A and point B. If A &
B are more than 1/32" apart at 50', the unit is out of calibration.
6. As shown, turn the instrument by 90° and place it on the
platform, with the operating panel facing you. Perform
12
50'
©2007 Johnson Level & Tool