■
Use the keypad to set vertical position to a position setting listed in
the table for the current vertical scale setting. The baseline level may
move off screen.
■
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 will remain 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.
e. Measure the test signal: Press the X (close) button. Read the
measurement results at the measurement statistics Mean measurement
readout. See the following figure.
Figure 11: Measurement of DC accuracy at maximum offset and position
f. Check against limits:
■
CHECK that the readout for the measurement Mean readout on
screen is within the limits listed for the current vertical scale and
position/offset/generator settings. Enter the value on test record.
■
Repeat substep 2.d, reversing the polarity of the position, offset, and
generator settings as is listed in the table.
■
CHECK that the Mean measurement readout on screen is within the
limits listed for the current vertical scale setting and position/offset/
generator settings. Enter the value on test record.
Performance verification (MSO/DPO70000C, MSO/DPO70000DX, and DPO7000C series)
186 MSO70000C/DX, DPO70000C/DX, DPO7000C, MSO5000/B, DPO5000/B Series
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