Doran Scales DS4050 Instrukcja obsługi - Strona 9

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Section 3. Scale Calibration

WARNING: Your scale is factory calibrated and does not require calibration when

received. If required, it should only be calibrated by a scale technician with

certified and inspected weights.

1. Turn off the scale and remove all weight.

2. Press and hold the LB/KG button and then press and hold the ON/TARE button.

3. When CAL is displayed, release both buttons.

4. Numbers will be displayed.

5. Press the ON/TARE button.

6. The number 20 will flash on the display.

7. Add 20 lbs to the scale and press the ON/TARE button.

8. The number 40 will flash on the display.

9. Add an additional 20 lbs (total of 40 lbs now on the scale) and press the

ON/TARE button.

10. After calibration is accepted, the scale will automatically turn off.

11. Remove all weight from the scale and press the ON/TARE button to turn on.

The scale is now ready for use.

• Ensure the scale is on a flat and level surface.

• Ensure that all four feet are in contact with the surface.

• Do not place on carpet.

• Ensure the scale is free from vibration and air currents.

• Remove any weight from the scale prior to calibration.

• Ensure that the batteries are not low.

• Ensure that the scale is not in contact with surrounding objects.

• Use certified (calibrated) weights.

• Place weights in the center of the scale during calibration.