Acquiring and Displaying Waveforms
3–14
TDS 500D, TDS 600B, & TDS 700D User Manual
Do the following steps to first display and then remove waveforms from the
display:
1. Press CH 1, CH 2, CH 3, or CH 4 to turn on as many of these channels as
desired. The one you select last (or first if you only select one) becomes the
selected channel. Selecting a channel turns it on if it is not already on.
You do not use the channel selection buttons to select the trigger source.
Instead you select the trigger source in the Main Trigger menu or Delayed
Trigger menu.
2. Press WAVEFORM OFF to turn OFF the display of the selected channel
waveform. It will also remove from the display any automated measurements
being made on that waveform.
3. To select a math waveform you have created or a reference waveform you
have stored, press MORE and select the waveform from the More menu.
Press WAVEFORM OFF while the MORE button is lit to remove the
display of the waveform selected in the More menu.
When you turn off a waveform, the oscilloscope automatically selects the next
highest priority waveform. Figure 3–4 shows the order of priority.
1. CH1
2. CH2
3. CH3 or AX1
4. CH4 or AX2
1. MATH1
2. MATH2
3. MATH3
4. REF1
5. REF2
6. REF3
7. REF4
Figure 3–4: Waveform Selection Priority
Note Figure 3–4 shows two orders of priority due to the following rules: If you
are turning off more than one waveform and you start by turning off a channel
waveform, all channels will be turned off before going to the MORE waveforms.
If you start by turning off the MORE waveforms, all the MORE waveforms will
be turned off before going to the channel waveforms.
If you turn off a channel that is a trigger source, it continues to be the trigger
source even though the waveform is not displayed.
Waveform Priority
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