48 U1241A/U1242A User’s and Service Guide
5 Performance Tests and Calibration
6 Set the code, same as the last 4 digit serial number of the meter. Press
(Save) to confirm the entry.
7 If the 4 digit serial number entered is correct, the secondary display
will show PAS. If an invalid code is entered, the meter will shows error
code E03. Ensure that the last 4 digit serial number is entered correctly
and repeat the step 1 to 7.
Using the Front Panel for Adjustments
This section describes the process used to perform adjustments from the
front panel.
Selecting the Adjustment Mode
Unsecure the meter, see Unsecuring the Meter for Calibration or
Unsecuring the Meter Without the Security Code. Once the meter has been
unsecured, the reference value will be indicated on the primary display.
Entering Adjustment Values
1 Press and to step through each character in the primary
display.
2 Press and to change the value of the corresponding
character from digits 0 through 9.
3 Apply the respective corresponding input signal from the recommended
test equipment in Table 5- 12.
4 Press (SAVE) when done to start calibration.
Ensure that the accuracy of the input signal adheres to the Valid Adjustment Input Values
in Ta b l e 5 -1 4 .