Loading ...
Loading ...
Loading ...
UTD1000L Us er M anual
Figure 6-6 Trigger Hold Off
1. The trigger hold-off time can be adjusted onl
y
when horizontal menu displays
.
2. Generally hold-off time is a little smaller tha
n
Big Period for instance for RS23
2
communication signal waveform hold off
time sh oul d b e a li ttl e large r t han st art edg e
time of each frame in order to easily observe
the waveform
Trigger system determines when the
Oscilloscope starts to acquire data and displa
y
waveforms. O nce the trigger is properly set, the
Oscilloscope can transform unstable signal into
meaningful waveform. When the acquisition starts
the Oscilloscope contin
uously acquires enoug
h
data to fill the pretrigger portion that is
displayed to the left of trigger point Then the
trigger occurs, the Oscilloscope will continue to
acquire enough data to fill the posttrigger
waveform to the right of trigger point. TRIGGE
R
button is designed to set up the Oscilloscope
trigger functions
TRIGGER Trigger menu butto
n
Trigger Level: to set up signal voltage that
corresponds to the trigger point
Press TRIGGER button to turn on trigger menu as
indicated in the figure below, then press F1 butto
n
to switch between different trigger types
.
Press F2 to select trigger source
.
Ā
Note:
Setting Trigger Syste
m
Loading ...
Loading ...
Loading ...