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3.3.2.2 Auto Zero
The ‘Auto Zero’ optional feature supplies an automatic correction to creeps in
the zero level during a special mode (such as the fill-mode or the WIM-mode),
caused by dust, temperature etc.
When this feature is activated and the card is inside the special mode, the
board automatically clears the gross weight if some pre-defined condition is
satisfied: All readings within some ‘continuous duration’ are inside the ‘zero
range’.
Say, all readings during 3 consecutive seconds are between –1g and +2g.
These ‘continuous duration’ & ‘zero range’ are user-defined by the following
parameters.
The auto Zero effect is temporary – it expires upon the exit from the special
mode, or card reset.
3.3.2.2.1 Activate
Activates the ‘Auto Zero’ feature. When ‘Activate’ is deselected
(unchecked), an “Auto Zero’ operation will never take place.
3.3.2.2.2 Max Zero
The upper bound of the ‘zero range’ (+2g in the example).
Note
: Max. Zero refers to the
original
zero level as was defined during the
calibration procedure.
3.3.2.2.3 Min Zero
The lower bound of the ‘zero range’ (-1g in the example).
Note
: Min. Zero refers to the
original
zero level as was defined during the
calibration procedure.
3.3.2.2.4 Time limit
The size of the ‘continuous duration’ (3s in the example).