Using the Oscilloscope 2
Keysight Infiniium 9000 Series Oscilloscopes User’s Guide 37
If you are not using a particular analog channel, you can turn it off to simplify
the waveform display and increase the display update rate. Functions continue
to run on a channel source that is turned off. Data acquisition continues for a
channel if a function requires it.
Adjusting the analog channel’s vertical scale and offset
You can use the vertical scale and offset knobs, the vertical user interface controls,
or the Channel dialog box to adjust the vertical scale and offset.
• The vertical scale knob is the larger of the two knobs for a channel. Turn the
knob to make the waveform bigger (fewer volts per division) or smaller (more
volts per division). Decreasing the vertical scale makes the waveform bigger,
and increasing it makes the waveform smaller.
• You can also mouse over or touch the vertical scale field and use the resulting
controls to set an exact value for the scaling.
• The vertical offset knob is the smaller of the two knobs for a channel. Turn it to
move the waveform up or down.
• You can drag the waveform or its ground reference indicator to the desired
vertical offset if the grid is in drag mode .
•Choose Setup > Channel N... or click a channel number to open the Channel
dialog box, in which you can set the vertical scale, offset, skew, and labels. You
can also specify the characteristics of a probe, or perform a probe calibration.
For Keysight Technologies probes that are compatible with AutoProbe II interfaces,
the oscilloscope will automatically set these characteristics (except for skew) after
identifying the probe when it is connected to the channel input.
Using an Analog Channel as Trigger
Any analog channel can be used as a trigger source. If you need a trigger but do not need all
analog channels, you can use an analog channel as a trigger without displaying it by turning
the analog channel display off.
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