Chapter 2 Service
The Agilent 53131A/132A Calibration Procedures
2-16 Assembly-Level Service Guide
2
3 Press the appropriate arrow keys to enter the security code “53131”, for
example, if 53131 is the security code by performing the following steps:
a. Press g key four times.
The Counter should display CODE: 00000.
b. Press d key five times.
The Counter should display CODE: 50000.
c. Press g key once, and then press d key three times.
The Counter should display CODE: 53000.
d. Press g key once, and then press d key once.
The Counter should display CODE: 53100.
e. Press g key once, and then press d key three times.
The Counter should display CODE: 53130.
f. Press g key once, and then press d key once.
The Counter should display CODE: 53131.
g. Finally, press Enter key.
CAL UNSECURE is displayed.
NOTE If “53131” is NOT the correct security code, the Counter will display BAD CODE.
4 Press Scale & Offset key until CAL: OFFS 1 ? is displayed.
5 Press Enter key.
A scrolling message on the display will ask you to remove any signals connected to
Channel 1. Follow the instruction.
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