106 34405A User’s and Service Guide
4 Performance Tests and Calibration
6 Enter the actual applied input (see “Entering Adjustment
Values” on page 91).
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 Frequency Gain adjustments using the
“Frequency Gain Verification Test” on page 81.
NOTE
Always complete tests in the same order as shown in the appropriate
table.
Ta ble 2 0 Frequency Gain Adjustment
Input Voltage Frequency Function
Voltage as 1Vrms
Cal Item
1Vrms 1kHz Frequency 1kHz
Disp
34405A users guide.book Page 106 Saturday, September 2, 2006 3:38 PM
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