11
Operation
6. Briefly press the ON/OFF key (3) to toggle between displaying
the absolute angle (display shows
ABS
) and displaying the rela-
tive angle/the deviation of the angle (display shows
INC
). When
switching to the INC mode, the device resets the display to
“0”
degrees. The following measurement readings refer to this zero
reference point.
7. Press and hold the ON/OFF key for 3 seconds to switch off the
digital spirit level.
Notes:
The deviation (7) in
mm/m
of the currently measured angle is
displayed when angles < 5.7° (max. 100 mm/m) are measured.
A small arrow icon (8) additionally appears indicating if the device
is measuring ascends (
icon) or descends (
icon).
The magnetic holders (10) at the bottom side of the can hold the
unit securely on every magnetic surface.
Calibration
The digital spirit level has been calibrated in the factory for max.
accuracy. If necessary, the digital spirit level can be re-calibrated.
The calibration must be performed on a flat and smooth surface
with a gradient lower than 5°.
During calibration the digital spirit level must not be bevelled or
moved.
1. Switch off the digital spirit level. Place it on a flat and level sur-
face.
2. Press and hold the
Hold/Light key (5)
and the ON/OFF key
(3) simultaneously. Release the keys.
The number “
-1-
“ appears
on the display and starts flashing. Do not touch the unit.
3. Press the ON/OFF key (3). T
he number “
-1-
“ flashes quickly. Keep
-1-
