Manual Function; Accuracy Check - geo-FENNEL DuoCrossPointer3 HP Bedienungsanleitung

EN
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MANUAL FUNCTION

If the instrument is in OFF position press button H/V once to enter into the MANUAL function; the ON/
OFF LED is illuminated, the MANUAL LED is blinking, all laser lines are on. Now the instrument can
be used in slope mode; the compensator alarm is off. All lines and dots can be switched as per before
description. Switch off the MANUAL function with button H/V.

ACCURACY CHECK

Set up the instrument in the middle of two walls which are about 5 m apart. Mark a visible laser cross
on one wall. Turn the unit to the opposite wall and mark a laser cross.
Repeat the measurements with a distance of about 0,6 m to one wall and about 4,4 m to the second
wall. The deviation between the two measurements taken from the centre and the two measurements
taken at 0,6 m and 4,4 m must not exceed 3 mm.
Accuracy check of the horizontal line (end to end)
Set up the instrument about 5 m from a wall. Mark a laser cross on the wall. Turn the instrument until
the laser cross has moved about 2,5 m to the left side and check if the horizontal line is within ± 2 mm
of the laser cross marked on the wall. Repeat the measurement by turning the instrument to the right
side.
Accuracy check of the vertical line (end to end)
Set up the instrument about 5 m from a wall. Fix a plumb line of 2,5 m length to the wall, using a
plumb bob. Bring the laser line into coincidence with the plumb line. The deviation between the laser
line and the plummet cord from the top tothe bottom must not exceed ± 1,5 mm.
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