Westfalia 81 64 64 Instruction Manual page 14

4. Press the Hold/Light key (5) to freeze the currently
measured value on the display. The background light
shines. Press the Hold/Light key one more time to re-
turn and show the currently measured values.
5. Press and hold the Hold/Light key (5) for 3 seconds to
switch on or off the display background light.
6. Shortly press the On/Off key (3) toggle between display-
ing the absolute angle (display shows ABS) and dis-
playing the relative angle/the deviation of the angle
(display shows INC). When switching to the INC mode,
the device resets the display to zero degrees. The fol-
lowing measurement readings refer to this zero point.
7. Press and hold the On/Off key for 3 seconds to switch
off the digital spirit level. If you do not operate the de-
vice for approx. 5 minutes, the device switches off
automatically.
Notes:
The deviation (7) in mm/m of the currently measured
angle is displayed when an angle < 5.7° (max. 100
mm/m) is measured.
A small arrow icon (8) additionally appears indicating if
the device is measuring ascends (arrow up) or de-
scends (arrow down).
Operation
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