Agilent Technologies Infiniium 90000 A Service Manual page 32

Chapter 3: Testing Performance
DC Gain Accuracy Test
c Select the Vavg measurement as shown below.
V avg
measurement
d When the Enter Measurement Info window is displayed, ensure that the V avg function
is set up as follows and then click OK:
Source = Channel 1
Measurement Area = Entire Display
Press the Clear Display key on the scope, wait for the #Avgs value (top left corner of
5
screen) to return to 256 and then record the scope's mean V avg reading in the DC Gain
Test section of the Performance Test Record.
Notes
• For all scope readings in this procedure, use the mean value in the Measurements display area at the
bottom of the screen.
• If a question mark is displayed in front of any of the values at the bottom of the screen, press the Clear
Display key on the scope, wait for the #Avgs value to return to 256 and then record the scope reading.
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