Technical data

100 34405A User’s and Service Guide
4 Performance Tests and Calibration
4 Use (Auto) or (Range) to select the Cal Item.
5 Apply the input signal shown in the "Input" column of the table.
6 Enter the actual applied input (see “Entering Adjustment Values” on
page 86).
7 Press to start the adjustment. The CAL annunciator flashes to
indicate the calibration is in progress.
• Successful completion of each adjustment value is indicated by a
short beep and the primary display briefly showing PASS.
• An adjustment failure is indicated by a long beep, the primary
display showing FAiL and a calibration error number appearing in
the secondary display. Check the input value, range, function, and
entered adjustment value to correct the problem and repeat the
adjustment step.
8 Repeat steps 3 through 7 for each gain adjustment point shown in the
table.
9 Verify the Capacitance Gain adjustments using the “Optional
Capacitance Performance Verification Test” on page 81.
NOTE
If the zero adjustment procedure has been recently performed prior to Capacitance gain
calibration procedures, the Cal Item 'Short' can be neglected.
NOTE
Always complete tests in the same order as shown in the appropriate table.
Disp