T419S Indicator Service Manual
31
6.1
Calibrate
6.1.6 Gravity procedure
Use this item to key in a gravity constant value. If the scale has been calibrated at a
different location that has a significantly different gravitational factor than the
installation site, and it is not possible to re-calibrate with known test weights, the scale
can be adjusted using this gravity factor.
G-Fact
If you know the local gravitation factor (allowable range is 9.70000 to
9.90000), key it in here
OR
If you do not know the local gravitation factor but can determine the
approximate latitude and altitude of the installation site, then the indicator
can calculate the gravity factor from these two values.
Lat
This stands for latitude. Key in the latitude for the installation site. The valid
range is 0 to 90. A positive value works for north or south of the equator.
Alt
This stands for altitude. Key in the altitude for the installation site. The valid
range is 0 to 30,000 ft. (10000 m).
Calc
This stands for calculate. The indicator calculates the gravity factor and
loads this value as the gravity factor.
Be sure to save the changes when you exit the menu and test the accuracy with a
known weight.
6.1.7 Display procedure
Use this to view live scale weight while in the calibration menu. Press
ZERO
to
temporarily zero the scale. Press
SCALE
key to exit.
6.1.8 Cal Unit procedure
Use this item to set the unit of measure of the weights used during calibration.
Choices are
Lb
,
1000 g
or
gr
.
6.1.9 Print procedure
Use this to print a calibration report through
Port 1
,
Port 2
,
Port 3
or to
USB
. This
information can be used in the future to restore calibration. See
to view a representation of the printed report.
This completes the Calib menu. To exit the menu, see
.
CAUTION: Verify with local agencies if adjusting the gravity factor is accepted
in your area. It may be required that calibration be done with certified weights.
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