Operating Basics
1. Icon display sh
ows acquisition mode.
Sample mode
Peak detect mode
Average mode
2. Trigger status indicates the following:
The oscilloscope is acquiring pretrigger data. All triggers are
ignored in this state.
All pretrigger data has been acquired and the oscilloscope is
ready to accept a trigger.
The oscilloscope has seen a trigger and is acquiring the
posttrigger data.
The oscilloscope has stopped acquiring waveform data.
The oscilloscope has completed a Single Sequence acquisition.
The oscilloscope is in auto mode and is acquiring waveforms in
the absence of triggers.
The oscilloscope is acquiring and displaying waveform data
continuously in scan mode.
3. Marker shows horizontal trigger position. Turn the Horizontal Position knob
to adjust the position of the marker.
4. Readout shows the t
ime at the center graticule. The trigger time is zero.
5. Marker shows Edge or Pulse Width trigger level.
6. On-screen markers show the ground reference points of the displayed
waveforms. If there is no marker, the channel is not displayed.
7. An arrow icon indicates that the waveform is inverted.
8. Readouts show the vertical scale factors of the channels.
9. AB
W
icon indicates t
hat the channel is bandwidth limited.
10. Readout shows main time base setting.
11. Readout shows window time base setting if it is in use.
12. Readout shows trigger source used for triggering.
13. Icon shows selected trigger type as follows:
Edge trigger for the rising edge.
Edge trigger for the falling edge.
16 TBS1000 Series Oscilloscopes Installation and Safety Manual
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