Performance Tests and Calibration 6
Agilent U1251B/U1252B User’s and Service Guide 141
Adjustment Procedure
Review the sections “Test Considerations” on page 124 and
“Adjustments Consideration” on page 139 before proceeding
with this procedure.
1 Turn the rotary switch to “Test Function” position as
shown in the adjustment table.
2 After unsecuring the instrument, the instrument goes into
the adjustment mode. (See “Unsecuring the instrument for
calibration” on page 134)
3 The primary display will show the reference value of the
Cal Item.
4 Configure each Cal Item.
5 Use the and the arrow keys to select the
Cal Range.
6 Apply the input signal shown in the Input column of the
table. The bar graph will display the Input reading. There
is no bar graph display for temperature adjustment.
7 Enter the actual applied input (see “Entering Adjustment
Values” on page 138).
8 Press to start the adjustment. The CAL flashes in
the secondary display to indicate that the calibration is in
progress.
The instrument will be in the adjustment mode, unless you press Shift and
simultaneously to exit the adjustment mode.
Always complete the tests in the same order as shown in the appropriate
table.
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