■
Press the front-panel Vertical button that corresponds to the channel
you are to confirm.
■
Set the generator output to 0 V.
■
Move the test hookup to the channel you selected.
b. Turn on the measurement Mean for the channel:
■
From the tool bar, touch
Measure
and select the
Ampl
tab,
More
,
and then touch
Mean
to measure the mean of the current channel.
■
Press the
X
(Close) button.
c. Set the vertical scale:
Set the vertical
Scale
to one of the settings in the
following table that is not yet checked.
Table 11: Offset accuracy
Scale setting
Position setting
(Divs)
Offset setting
6
Generator setting
Accuracy limits
10 mV
-5
+0.45 V
+500 mV
+495.75 mV to +504.25 mV
5
-0.45 V
-500 mV
-504.25 mV to -495.75 mV
20 mV
-5
+0.4 V
+500 mV
+494.75 mV to +505.25 mV
5
-0.4 V
-500 mV
-505.25 mV to -494.75 mV
50 mV
-5
+0.25 V
+500 mV
+491.75 mV to +508.25 mV
5
-0.25 V
-500 mV
-508.25 mV to -491.75 mV
100 mV
-5
+2.0 V
+2.5 V
+2.474 V to +2.526 V
5
-2.0 V
-2.5 V
-2.526 V to -2.474 V
200 mV
-5
+1.5 V
+2.5 V
+2.464 V to +2.536 V
5
-1.5 V
-2.5 V
-2.536 V to -2.464 V
500 mV
-5
0 V
+2.5 V
+2.434 V to +2.566 V
5
0 V
-2.5 V
-2.566 V to -2.434 V
d. Display the test signal:
■
From the tool bar touch
Vertical
and then touch
Position
.
■
Use the keypad to set vertical position to the setting listed in the
table.
■
Touch
Offset
.
■
Use the keypad to set vertical offset to the positive-polarity setting
listed in the table for the current vertical scale setting. The baseline
level may move off screen.
■
Set the generator to the level and polarity indicated in the table for
the vertical scale, position, and offset settings you have made.
6
Set as precisely as the instrument's offset resolution permits.
Performance verification (MSO/DPO70000C, MSO/DPO70000DX, and DPO7000C series)
MSO70000C/DX, DPO70000C/DX, DPO7000C, MSO5000/B, DPO5000/B Series
225
Summary of Contents for DPO5000 Series
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