Avery Weigh-Tronix WI-150, Руководство по обслуживанию

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The dead load offset adjustment provides compensations to cancel out the
weight of the scale platform and any permanently fixed weight supporting
structures on the platform. Adjusting the dead load should be completed
before calibration of the Indicator.
To adjust the dead load:
1. Enter the test menu by pressing and holding the MENU key until TEST
is displayed. Then proceed to the A to D display by following the
directions in the box below:
2. While
A to D is displayed, press PRINT/SELECT.
3. Access the junction box on your scale and adjust the zero balance
potentiometer until the indicator displays a zero weight or an amount
very close to it.
The dead load offset is adjusted and your indicator may now be calibrated.
Adjusting Dead Load