DeFelsko PosiTector 6000 v.6.2 for Basic (1) and Standard (2) models - Manual (Page 6)

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With “FN” Gages, calibration adjustments are
made only to the “F” or “N” mode (stored independently
under a particular Cal), whichever was measured last.
Once adjusted, you may “lock” the current
calibration adjustment to prevent further modification.
(See “Cal Lock” on pg. 8)
1-point Calibration Adjustment
Also known as an offset or correction value, there
are 4 ways to perform this adjustment:
(1) Simple Zero Calibration Adjustment
Measure your uncoated part. If the Gage does not read
"0" within the tolerance of the probe being used, lift the
probe from the surface and adjust the display down (-)
or up (+) until it reads "0". Measure and adjust until the
average of a series of readings on the uncoated surface
is "0" .
(2) Average Zero Calibration Adjustment
To establish “0” on a rough or curved surface a
preferred method is to take several readings on the
uncoated part and average the result.
1.Select the
Zero menu option.
2.Press (+) to select the number of readings to be
used to obtain an average, typically 3 to 10
readings. The greater the variation between
readings, the more readings should be taken to
obtain an average.
3.Repeatedly measure the uncoated part. The Gage
will wait 2 seconds between readings to allow the
user to correctly position the probe on the surface.
After the last measurement the Gage will calculate
and display "0" which represents the average of all
the
Zero readings taken.
NOTE:
NOTE: