NCR 7870 manual Calibration Procedure, Exercising the Scale, Tools, Instructions

	Chapter 5: Calibration 5-3
Calibration Procedure
Section 1: Exercising the Scale
Tools
One of the following:
Whole Pound Weight Set	(P/N 998-0633009)
Fractional Pound Weight Set	(P/N 998-0633012)
Kilogram Weight Set	Obtain locally

Instructions

You must exercise the scale before performing a calibration.

1. Select appropriate Weight Feature for your Scanner/Scale.

Weight Feature		Total Weight on Top Plate
9.995 kg	0.0 kg	2.5 kg	5.0 kg	10.0 kg	5.0 kg	2.5 kg	0.0 kg
13.995 kg	0.0 kg	2.5 kg	5.0 kg	15.0 kg	5.0 kg	2.5 kg	0.0 kg
30.0 lb.	0.0 lb.	5.0 lb.	15.0 lb.	30.0 lb.	15.0 lb.	5.0 lb.	0.0 lb.

2.Add and remove weights to your scale in order given in chart.

This is a building procedure in which you start with no weight (0) and sequentially add and remove weight to obtain the values shown in the chart.

3.Go through procedure four times.

4.Go to Section 2: Accessing the Calibration Switch.