User manual

Table Of Contents
Reference
Cursors
Reference or Math waveforms
Save/Recall Save All
Time base controls
Trigger controls
Help
Push the Help button to display the Help menu. The topics cover all the menu
options and controls of the oscilloscope. (See page xiii, Help System.)
Horizontal
You can use the horizontal controls to set up two views of a w aveform, each with
their own horizontal scale and position. The horizontal position readout shows
the time represented by the center of the screen, using the time of the trigger
as zero. When you change the horizontal scale, the waveform will expand or
contract around the screen center.
Options Comments
Main The main horizontal time bas e setting is used to display the
waveform
Window Zone
Tw o cursors dene a window zone
Adjust the window zone with the Horizontal Position and
Horizontal Scale controls
Window
Changes the display to show the waveform segment (expanded
to screen width) within the window zone
Set Holdoff Displays the holdoff value; push the option button and use the
multipurpose knob to adjust
NOTE. You can push the horizontal option buttons to switch between an entire
waveform display and a zoomed part of it.
A readout near the top right of the screen displays the current horizontal position
in seconds. An M indicates the Main time base and a W indicates the Window
time base. The oscilloscope also indicates horizontal position with an arrow icon
at the top of the graticule.
Knobs and Buttons
Horizontal Position Knob. Use to control the position of the trigger relative to
the c enter of the screen.
TBS1000 Series Oscilloscopes User Manual 85