6 Calibration Procedures
Calibration Security
178 U3606A User’s and Service Guide
4 Press or to increment or decrement the digit.
5 Press when you are done.
6 If the correct security code is entered, “PASS” is displayed in the
primary display for 3 seconds, after which the instrument will enter the
adjustment mode.
7 If the incorrect security code is entered, “FAiL” is displayed in the
primary display for 3 seconds, after which the calibration security code
edit mode will appear again.
To unsecure the instrument from the remote interface
Send the CALibration:SECurity:CODE <mode>, <code> command
from the remote interface.
& CAL:SEC:CODE OFF,
ATU3606A
This command unsecures the instrument for
calibration. The default security code is
ATU3606A. The security code can only be
changed when the instrument is unsecured.
& CAL:SEC:CODE ON, ATU3606A
This command secures the instrument from
accidental or unauthorized adjustments.