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• Press SourceA, and rotate the multifunction knob to select the channel for
SourceA. You can also press SourceA continuously or enable the touch screen to
select the channel. The available channels for SourceA are CH1-CH4 and Ref1-
Ref10.
NOTE
The source of Math2 can be CH1-CH4, Ref1-Ref10, or Math1; the source of Math3 can be
CH1-CH4, Ref1-Ref10, Math1, or Math2; the source of Math4 can be CH1-CH4, Ref1-
Ref10, Math1, Math2, or Math3; only the channels that have been enabled currently can
be selected.
• Press Offset to set the vertical offset of the operation results. For setting
methods, refer to the descriptions in "
Parameter Setting Method
". You can also
directly rotate Wave Vertical POSITION or enable the touch screen to adjust
the vertical offset.
• Press Scale to set the vertical scale of the operation results. For setting methods,
refer to the descriptions in "
Parameter Setting Method
". You can also directly
rotate Wave Vertical SCALE or enable the touch screen to adjust the vertical
Scale.
• Press AutoSetting to adjust the vertical scale and offset of the operation results
to an optimal value based on the current configuration, so as to better observe.
• Press More > Invert to enable or disable the inverted display function of the
waveform.
• Press More > Label to set the label for math operation results. For details, refer
to descriptions in "
Math Operation Label
".
• Press More > Color Grade to enable or disable the color grade display of the
operation results. When enabled, different colors are displayed on the screen to
indicate the times of data acquisition or acquisition probability.
• Press More > Reset ColorGrade to clear the color grade display and display the
color grade again.
9.1.14 Ln
Calculates the natural logarithm (Ln) of the selected source point by point and
displays the results.
Operations and Measurements
158
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
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