78 6000 Series Oscilloscope User’s Guide
2 Front-Panel Controls
The stopped display may contain several triggers worth of
information, but only the last trigger acquisition is available for
pan and zoom.
For more information about Pan and Zoom see page 252.
Choosing Auto trigger mode or Normal trigger mode
In Auto trigger mode, the oscilloscope automatically triggers
and captures waveforms when you press Run.
If you press Run when the oscilloscope is in Normal trigger
mode, a trigger must be detected before an acquisition can
complete.
In many cases, a triggered display is not needed to check signal
levels or activity. For these applications, use Auto trigger mode
(which is the default setting). If you only want to acquire
specific events as specified by the trigger settings, use Normal
trigger mode.
You can select the trigger mode by pressing the Mode/Coupling
key, then the Mode softkey.
For more detailed discussion of Auto trigger mode and Normal
trigger mode, see “Trigger modes: Normal and Auto” on page 129.
Using AutoScale
To configure the oscilloscope quickly, press the AutoScale key to
display the connected signal(s) that are active.
To undo the effects of AutoScale, press the Undo AutoScale
softkey before pressing any other key. This is useful if you have
unintentionally pressed the AutoScale key or do not like the
settings AutoScale has selected and want to return to your
previous settings.
To make the oscilloscope remain in the acquisition mode you
have chosen, press the AutoScale Acq Mode softkey and select
Preserve Acquisition Mode. Otherwise, the acquisition mode will
default to Normal whenever the AutoScale key is pressed.
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