Features and Functions 3
Keysight 33210A User’s Guide 155
Calibration Overview
This section gives a brief introduction to the calibration features of the function
generator. For a more detailed discussion of the calibration procedures, see
Chapter 4 in the Keysight 33210A Service Guide.
Calibration Security
This feature allows you to enter a security code to prevent accidental or
unauthorized calibrations of the function generator. When you first receive your
function generator, it is secured. Before you can perform a calibration, you must
unsecure the function generator by entering the correct security code.
– The security code is set to “AT33210A” when the function generator is shipped
from the factory. The security code is stored in non-volatile memory and does
not change when power has been off or after a remote interface reset.
– The security code may contain up to 12 alphanumeric characters. The first
character must be a letter, but the remaining characters can be letters,
numbers, or an underscore (“ _ ”). You do not have to use all 12 characters but
the first character must always be a letter.
If you forget your security code, you can disable the security feature by means of
two “CAL ENABLE” pads on the main PC board inside the instrument. See the
Keysight 33210A Service Guide for more information.
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