Operating Basics
Video trigger for line sync.
Video trigger for field sync.
Pulse Width t
rigger, positive polarity.
Pulse Width
trigger, negative polarity.
14. Readout shows Edge or Pulse Width trigger level.
15. Display area shows helpful messages; some messages display for only three
seconds.
If you recall a saved waveform, readout shows information about the reference
waveform, such as RefA 1.00V 500µs.
16. Readout shows date and time.
17. Readout shows trigger frequency.
Message Area
The oscilloscope displays a message area (item number 15 in the previous figure)
at the
bottom of the screen that conveys the following types of helpful information:
Directions to access another menu, such as when you push the Trig Menu
butt
on:
For TRI GGER HOLDOFF, go to HORIZONTAL MENU
Suggestion o f w hat you might want to do next, such as when you push the
Measure button:
Push an option button to change i ts measuremen t
Information about the action the oscilloscope performed, such as when you
push the Default Setup button:
Default setup recal led
Information about the waveform, such as when you push the AutoSet button:
Square wave or pulse detected on CH1
Using the Menu System
The user interface of the oscilloscopes was designed for easy access to specialized
functions through the menu structure.
When you push a front-panel button, the oscilloscope displays the corresponding
menu on the right side of the screen. The menu shows the options that are available
when you push the unlabeled option buttons directly to the right of the screen.
TBS1000 Series Oscilloscopes Installation and Safety Manual 17
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