Calibration Procedures
1
Keysight U1241C/U1242C Service Guide
35
Unsecuring the Multimeter for Calibration
Before you can adjust the multimeter, you must unsecure it by entering the
correct security code. The default security code is set to
.
To unsecure the multimeter
1
During normal operation mode, press both
and
together for
more than 1 second to enter unsecured mode.
The calibration security code entry is shown on the display.
Figure 1-4
Calibration security code
2
Enter the default security code to unsecure the multimeter.
– Press
or
to move the cursor to the left or right
respectively.
– Press
or
to increment or decrement the digit respectively.
NOTE
If you forget your security code, see
“To reset the calibration security code to its
Hold
Log
Shift
Esc
View
Hz
MaxMin
Range
Auto
Vsense