HP 53131A Service Manual

Chapter 2 Service
About the HP 53131A/132A Calibration Menu
Assembly-Level Service Guide 2-9
2
To View the Calibration Menu and Security Status
The Calibration menu is accessed by holding the Scale & Offset key and
cycling the POWER key. The first item in the Calibration menu is a
message indicating the calibration security status:
CAL SECURE or
CAL UNSECURE .
To Unsecure for Calibration
1 Press and hold Scale & Offset key, then cycle POWER key.
CAL SECURE is displayed.
If
CAL UNSECURE is displayed, then the Counter is already unsecured
for calibration, and the remaining steps are not applicable.
2Press Scale & Offset key until
CODE: is displayed.
3 Press the appropriate arrow keys to enter the security code “
53131 ”,
for example, if 53131 was the security code set at the factory.
4Press Enter key.
CAL UNSECURE is displayed.
NOTE If “53131” was NOT the correct security code, the Counter would have
displayed BAD CODE .
To Initiate the Calibration Routines
1 Press and hold Scale & Offset key, then cycle POWER key.
2 Unsecure for calibration by performing the preceding procedure.
3Press Scale & Offset key until
CAL: OFFS1? is displayed.

HP 53131A Specifications

General

Brand	HP
Model	53131A
Category	Cash Counter
Language	English