Reference
Acquisition mode Single Seq function
Envelope N or A
verage N
N acquisitions of each displayed channel are acquired
(N is adjustable with the general purpose knob)
When you push the Single Seq button, the oscilloscope does the following things:
At sweep speeds of 20 ms/div and faster, the trigger mode is set to Normal
The trigger system arms and an LED lights next to the Single Seq button
After the single-sequence acquisition is complete, the acquisition stops and the
light next to the Single Seq button turns off.
Push the Single Seq button again to acquire a new sequence, or push the Run/Stop
button to restart continuous acquisition.
Autoset Button
Push the Autoset button to automatically adjust the vertical, horizontal, and trigger
controls for a usable display. You can manually adjust any of these controls if you
need to optimize the display.
When you use more than one channel, the autoset function sets the vertical scale
for each channel and positions the channels to prevent overlapping. The autoset
function selects the lowest-numbered channel in use and then uses that channel to
set t
he horizontal and trigger controls.
The autoset function also changes the following oscilloscope settings:
Acquisition mode is set to Sample
Bandwidth limits are set to Full
Zoom is turned off
Trigger is set to Auto mode and minimum holdoff
Tr
igger is set to Edge type, DC coupling, and rising slope
B trigger is turned off
XY display format is turned off
Channel 1 is turned on and selected if no active channels are in use
If you push the Autoset button by accident, you can undo it with these steps:
1. Push the Acquire Menu button.
2. Push the Autoset screen button and then push the Undo Autoset screen
button.
52 TDS3000C Series Oscilloscope User Manual
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