Getting Started 1
Agilent InfiniiVision 3000 X-Series Oscilloscopes User's Guide 31
2 If you want to return to the oscilloscope settings that existed before,
press Undo AutoScale.
3 If you want to enable "fast debug" autoscaling, change the channels
autoscaled, or preserve the acquisition mode during autoscale, press
Fast Debug, Channels, or Acq Mode.
These are the same softkeys that appear in the AutoScale Preferences
Menu. See “To set AutoScale preferences" on page 291.
If you see the waveform, but the square wave is not shaped correctly as
shown above, perform the procedure “Compensate Passive Probes" on
page 32.
If you do not see the waveform, make sure the probe is connected
securely to the front panel channel input BNC and to the left side,
Demo 2, Probe Comp terminal.
How AutoScale
Works
Auto Scale analyzes any waveforms present at each channel and at the
external trigger input. This includes the digital channels, if connected.
Auto Scale finds, turns on, and scales any channel with a repetitive
waveform that has a frequency of at least 25 Hz, a duty cycle greater than
0.5%, and an amplitude of at least 10 mV peak-to- peak. Any channels that
do not meet these requirements are turned off.
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