Scale Calibration - GE Giraffe Service Manual

Chapter 3: Calibration and Maintenance

3.7 Scale Calibration

NOTE: For EU Member States:
• This scale has been designed and manufactured in accordance with the non-automatic weighing
instruments (NAWI) directive, 90/384/EEC. In order to assure complete compliance to the Directive, have
the unit calibrated by an accredited local test authority. If you are unable to identify a test authority, please
contact your GE representative or distributor for assistance.
• Periodic re-verification (calibration) of the scale must be performed in accordance of the National
Regulations Governing Legal Metrology. The required re-verification frequency will vary by country. Contact
your local weights and measures authority for more information.
NOTE: The scale is calibrated using a Class F calibration weight between 1 kilogram and 8 kilograms (accuracy
of 0.01%).
1. Place the test weight on the center of the bed.
2. Hold the override key (>37) while powering up to enter the service screen.
3. On the second service screen, select Cal Scale.
4. Remove the weight and push the knob at the screen prompt "REMOVE THE WEIGHT AND PUSH KNOB". The
screen will prompt "INITIALIZING" for a few seconds.
5. Replace the weight and push the knob at the screen prompt "PLACE TEST WEIGHT AND PUSH KNOB". The
screen will prompt "MEASURING" for a few seconds.
6. When the screen prompts "ENTER TEST WEIGHT" Dial in the test weight to the nearest gram. Press the knob
to enter. The screen will prompt "CALCULATING" for a few seconds.
7. When the screen prompts:
SAVE AND EXIT
EXIT ONLY
RESTORE DEFAULT
Select and enter "SAVE AND EXIT"
Turn off the power to exit the service mode.
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