Specifications

Chapter 3: Testing Performance
Offset Accuracy Test
18
c When the Enter Measurement Info window appears, ensure that the V avg function
is set up as follows and then click OK:
Source = Channel 1
Measurement Area = Entire Display
4 Press [Clear Display] on the scope and wait for the #Avgs value (top right corner 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.
5 Change the vertical scale of channel 1 to 20 mV/div, press [Clear Display], wait for the
#Avgs value (top right 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.
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 appears in front of any of the values at the bottom of the screen, press [Clear Display]
on the scope, wait for the #Avgs value to return to 256, and then record the scope reading.
Record the
mean reading