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Examples for the HOLD-function:
ZERO
Press the ZERO-key for 2 seconds in order to make the present height
(location of the measuring module) the point of reference. The unit must
not be moved in this process!
New level of reference
3 m
08
GB
Level of reference
2. Press HOLD
When set zo zero
at the top
-3 m will be shown
at the bottom
1. ZERO
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