3-1
Chapter 3: Calibration
3.1 Scale Calibration (Bedded Models Only)
Note: For EU Member States, this scale has been designed and manufactured in accordance with the
non-automatic weighing instruments (NAWI) directive, 2009/23/EC. To ensure complete
compliance to the Directive, have the unit calibrated by an accredited local test authority. If you are
unable to identify a test authority, contact your GE representative or distributor for assistance.
Periodic re-verification (calibration) of the scale must be performed in accordance with 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: One 5 kg Certified Test Weight (GE part number 6600-0209-800) is required to perform the
calibration procedure.
1. Clear all objects from the bed and ensure only the mattress and clear plate remain on the scale.
2. Turn off the bed. Ensure the bed is level.
3. Enter service screen by turning on the bed while holding the Help and Alarm Silence keys
until you hear 2 tones (approximately 5 seconds).
4. On the Main Menu, select Scale Calibration and then Manual Calibration.
5. Use the up/down arrow keys to set the gram value of the known test weight, and press the Enter key.
6. When prompted, clear all objects from the bed.
7. Press the Start key. Scale Obtaining Tare is displayed.
8. When Apply Test Weight is displayed, place the weight on the center of the bed and press the OK key.
9. If calibration is successful, Calibration Successful is displayed. If not, press the Recal key and repeat
the procedure.
10. Do one of the following:
–Press the Save key to save the new calibration constants.
–Press the Abort key to retain the original setting.
11. Power cycle the unit to exit service mode and enter operation mode.
12. Verify the accuracy of the scale by performing a weighing cycle using the test weight. The measured
value should be the test weight +/- 10 g.
13. Perform the scale checkout procedures described in Chapter 2, “Installation, Maintenance, and
Checkout.”
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