Reference
Display Colors. The channel buttons, waveforms, icons, and readouts
are color-coded to help you identify them easily. The colors are preset
and cannot be adjusted. However, you can select the Monochrome
Color Palette if you prefer to see all the waveforms in high-contrast
black and white.
XY Waveform Tr iggering. The X
Y waveform is triggered so you can
synchronize p eriodic in put signals to the XY wav efo rm. This feature is
useful when onl y one part of the period contains valid information that
youwanttoseeintheXYfor
mat. Set the time base and trigger location
to acquire just that part o f the period.
When you want to see the co
mplete period of the signals regardless of
the time base setting, set the trigger source to an unused channel and
the trigger mode to Auto.
XY Waveform Scale and Position. If you w ant to display channel 1 in the
horizontal axis versus channel 3 in the vertical axis, for example, use
these controls to scale and position the XY waveform :
Push the channel 1 button and use the vertical Scale and Position
controls to set the horizontal scale and positio n of the XY
waveform.
Push the channel 3 button and use the vertical Scale and Position
controls to set the vertical scale and position of the XY wavefo rm.
XY Waveform Restrictions . The math waveform, zoom , and autoset
functions do
not work in the XY display format. All reference
waveforms displayed in XY format must have the sam e record length,
500 or 10,000 points.
Gated XYZ. D isplays XY signals only wh en the Z (gating) channel is
true. Gated XYZ is similar to analog oscilloscope modulated XYZ
mode except that the displayed XY signal is either on or off; there is no
intensity modulat ion . G ated X Y Z is usefu l for show ing c onstel lati on
diagrams.
TDS3000C Series O scilloscope User Manual 77
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