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Chapter 2 Service
About the HP 53181A Calibration Menu
2-30 Assembly-Level Service Guide
2
To Change to New the Security Code
1 Press and hold Scale & Offset key, then cycle POWER key.
2 Unsecure for calibration by the using the procedure described in
the section titled “To Unsecure for Calibration.”
3Press Scale & Offset key until
CODE:
is displayed.
4 Press the appropriate arrow keys to enter the new or customized
security code, then press Enter key.
A scrolling message will appear, indicating what the new code is.
For example, the Counter displays the
NEW CODE IS 5
if you entered “5”
as the new code.
To View the Calibration Count
1 Press and hold Scale & Offset key, then cycle POWER key.
2Press Scale & Offset key until
CAL COUNT?
is displayed.
3 Press any one of the entry keys (arrow, +/-, Enter) to have a
scrolling message appear, indicating what the calibration count
is.
Your Counter was calibrated before it left the factory. When you receive
your Counter, read the calibration count to determine its initial value.
To Get Help with the Calibration Menu
1 Press and hold Scale & Offset key, then cycle POWER key.
2Press Scale & Offset key until
HELP: CAL?
is displayed.
3 Press any one of the arrow keys until your help choice (that is,
HELP: CAL?
,
HELP: SECURE?
,
HELP: CODE?
) is displayed.
4Press Enter key to display the help information.