Trigger setup
Trigger setup
Use these procedures to set up the oscilloscope to trigger on a signal. (See page 26,
Triggering on a waveform edge
Use this procedure to set the oscilloscope to trigger on the rising or falling edge of a waveform.
1.
Push the
Trigger Menu
front-panel button.
2.
Push the
Type
side-menu button.
3.
Use the
Multipurpose
knob to select and click
Edge
.
4.
Push the
Source
side-menu button and use the
Multipurpose
knob to select and click the channel to use as the trigger
signal source, or select
AC Line
to use the AC power source frequency as the trigger signal.
5.
Push the
Coupling
side-menu button and use the
Multipurpose
knob to select and click the trigger coupling. (See
6.
Push the
Slope
side-menu button to select
between rising and falling slope edges on
which to trigger the oscilloscope.
7.
Push the
Level
side-menu button and use the
Multipurpose
knob to select and click the trigger level entry method:
Click
Level
and use the
Multipurpose
knob to manually set the trigger level.
Click
Choose Preset
and use the
Multipurpose
knob to set the trigger level to a prede
fi
ned signal logic family level
(TTL, CMOS, ECL, and so on) or to 0.
Click
Set to 50%
to set the trigger level to 50% of the signal peak-to-peak level.
NOTE.
You can use the
Trigger Level
knob to immediately change the trigger level and momentarily display a long horizontal
line (or two lines for a
runt
trigger) across the waveform to show the trigger level(s) in relation to the waveform.
Push the
Trigger Level
knob to immediately set the trigger to 50% of the signal peak-to-peak level.
36
TBS2000 Series User Manual