Calibration instructions for the Avery Weigh-Tronix 640 Series Indicator

640 Indicator Calibration

Watch this video to calibrate your indicator.




  1. Press and hold the "Hold/Menu" button for three beeps then release.
  2. Enter "640".  Use "RM" to increase the displayed value and "M+" to decrease it.  Press the "Hold/Menu" button to move one digit to the left.
  3. Press "Print/Select" to accept and "640" will be shown again.
  4. Press "Print/Select" and "CONFIG" will be displayed.
  5. Press "Print/Select" once more and the config number will be displayed.
  6. Enter a new config number using "RM" to increase each digit and "HOLD/MENU" to move one digit to the right.  98300 is a custom config number that should work for most applications.
  7. Press "PRINT/SELECT" to enter the number and return to "CONFIG".
  8. Press "HOLD/MENU" and "CUSTOM" will be displayed.
  9. Enter a new CUSTOM number using "RM" to increase each digit and "HOLD/MENU" to move one digit to the right.  This number is equivalent to a digistar calibration number and is unique to the specific application.
  10. Press "PRINT/SELECT" to enter the number and return to "CUSTOM".
  11. Press "NET/GROSS" repeatedly to return to the gross weight screen.

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