Agilent Technologies Infiniium 90000 A Service Manual page 23

c 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 and wait for the #Avgs value (top left corner
4
of screen) to return to 256. Record the scope's mean V avg reading in the Zero Error
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
• If a question mark is displayed in front of any of the values at the bottom of the screen, press the Clear
Record the
mean reading
Change the vertical sensitivity of channel 1 to 10 mV/div, press the Clear Display key,
5
wait for the #Avgs value (top left corner of screen) to return to 256 and then record the
scope V avg reading in the Zero Error Test section of the Performance Test Record.
bottom of the screen.
Display key on the scope, wait for the #Avgs value to return to 256 and then record the scope reading.
Chapter 3: Testing Performance
Offset Accuracy Test
23