146 Agilent U1251A/U1252A User’s and Service Guide
7 Performance Tests and Calibration
Adjustment Procedure
Review the “Test Considerations” on page 128 and
“Adjustments Consideration” on page 144 sections before
beginning this procedure.
1 Turn the rotary switch to “Test Function” position, 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 139)
3 The primary display will show the reference value of the
Cal Item.
4 Configure each Cal Item.
5 Use the and 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
Valu es” on page 143).
8 Press to start the adjustment. The CAL flashes in
the secondary display to indicate the calibration is in
progress.
NOTE
The instrument will be in the adjustment mode, unless Press SHIFT and
button simultaneously to exit the adjustment mode.
NOTE
Always complete tests in the same order as shown in the appropriate
table.
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