Specifications

Chapter 3: Testing Performance
Offset Accuracy Test
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5 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.
6 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.
7 Repeat step 5 for the remaining vertical scale settings for channel 1 in the Zero Error
Test section of the Performance Test Record.
8 Press [Default Setup], then turn off channel 1 and turn channel 2 display on.
9 Configure the scope to measure V avg on Channel 2 as follows:
a Select Setup > Acquisition. When the Acquisition Setup window appears, enable
averaging and set the # of averages to 256.
b Change the vertical scale of channel 2 to 10 mV/div.
c Click the V avg measurement icon on the left side of the screen.
d When the Enter Measurement Info window appears, ensure that the Vavg function
is set up as follows and then click OK:
Source = Channel 2
Measurement area = Entire Display
10 Press [Clear Display] on the scope, wait for the #Avgs value to return to 256, and then
record the scope’s mean V avg reading in the Zero Error Test section of the Performance
Test Record.
11 Repeat step 9 for the remaining vertical scale settings for channel 2 in the Zero Error
section of the Performance Test Record.
12 Repeat steps 7 through 10 for channels 3 and 4.
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