Getting to Know the Trigger System
As shown in Figure
there are one knob and
one button in the trigger menu control zone. The
following steps will get you familiar with trigger setup.
Trigger
knob
When operating edge, pulse width and slew rate
triggers, set the amplitude to be crossed by the
waveform upon signal occurrence by turning the
trigger
knob
To quickly set the trigger
level as the vertical centre point of the trigger
signal
press the trigger
knob
To display trigger menu contents
1.
Use the trigger
knob to change the
trigger level
You will see a trigger sign on the
screen that indicates the trigger level
The sign
will move up and down with the knob
While you
move the trigger level
you will find the trigger
level value on the screen changing accordingly.
2.
Open the trigger [
] key (see the figure 1
)
to change trigger setup.
Press [
] twice and select
for
-
,
:
.
,
.
[
]
.
.
.
,
[
] .
1 13
LEVEL
LEVEL
LEVEL
LEVEL
MENU
MENU
F1
EDGE
TYPE
-14
15
UTD4000 Four-channel User Manual
Figure 1-13 Trigger menu on
the front panel
Figure 1-14 Trigger Menu