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9. Increase the weight on the scale to 7.50 kg on the center of the
weighing surface and check that the display reads between 7.495
and 7.505 kg.
10. Remove the weights and verify that the display reads 0.000 kg.
You have completed the Increasing-Load Test (Phase 1).
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The Shift Test checks to ensure that items placed anywhere on the weigh-
ing surface of the scanner/scale are weighed properly. Refer to Figure 5-4
when performing this test.
1. Place and remove in succession, a 5.0 kilogram load on the center
of each of the four quadrants (A, B, C, and D in Figure 5-4) and
in the center of the scanner/scale’s weighing platform. Verify that
the display shows a reading of between 4.995 and 5.005 kg for
each quadrant/center test and that the display returns to 0.000
between each load.
2. After verifying the accuracy of each quadrant and the center of
the weighing surface, remove all weight from the scale. You have
completed the Shift Test.