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Chapter 3 Front-Panel Menu Operation
To Secure and Unsecure the Instrument for Calibration
4
3
To Secure and Unsecure the Instrument for
Calibration
The instrument uses a security code to prevent accidental or
unauthorized adjustments of the instrument. When you first receive
your instrument, it is secured. Before you can adjust the instrument, you
must unsecure it by entering the correct security code.
Use the CAL:SEC:STAT ON command to enter the security code using the
remote interface.
• The security code is set to AT33520A when the instrument is shipped
from the factory. The security code is stored in non-volatile memory,
and does not change when power has been off, after a Factory Reset
(*RST command), or after an Instrument Preset (SYSTem:PRESet
command).
• 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.
Note If you forget your security code, you can disable the security feature by
applying a temporary short inside the instrument as described See “To
Unsecure the Instrument Without the Security Code” on page 104.
1 Select the “I/O” menu.
Press
and then press the
Calibrate
softkey.
Use the knob and numeric keys to enter the security code.
Once unsecured the Calibrate softkey is available.
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