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The Waveform Selection Menu
Channel Mode Field
Waveform Math (Chan−Chan Mode)
This is a waveform math mode that lets you take the signal on one channel
and subtract it from the signal on the other channel.
Waveforms from separate modules cannot be subtracted from each other
when making an intermodule measurement.
Example
To subtract the waveform on Input 2 from the waveform on Input 1:
Touch the Channel Mode field on the display, then when the pop-up appears,
touch the Chan−Chan field.
Turn the knob so that the bottom input in the channel label field is
highlighted in white.
Then touch the Action field until Insert is displayed.
Next touch the Input 1 label in the Labels field, then touch Input 2 in the
Labels field.
Input 1 and Input 2 waveforms, shown as X1−X2 (where X is the slot letter of
the module) are then displayed in the channel label field.
Touch the Done key in the pop-up to display the waveform. The display now
shows input 2 subtracted from input 1. The resultant waveform is displayed
in white in the waveform display.
If T Markers are turned on and V Markers are turned off, voltage values for
this waveform will appear in the channel label field to the left of the
waveform display area.
9-8
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