User Manual

Operating Manual for UTD2000/3000
4
1
Figure 2—17 Hold off used for synchronization
of complex waveform
Operation Description
1. To select edge, trigger source and gradient show
n
in TRIG MENU according to synchronization mode of
normal signal then adjust trigger level for stable
waveform display as practicable as possible
.
2. To press H ORI MENU key to display horizontal
menu
.
3. To adjust multi-purpose knob in upper part of
panel to alter inhibition time for stable waveform
display as practicable as possible
.
Term explanations
1. Trigger source: To gain trigger from many kinds of
information sources, namely, input channel (CH1
&
CH2), external trigger (EXT & EXT/5) and municipal
power
.
Input channel The most common trigger
information source is optional input channel
Selected one is used as channel of trigger
information source for normal operation regardless
of input displa
y
External trigger: Such trigger information source
can be used for trigger on the third informatio
n
channel during synchronous data acquisition o
n
channels For instance signals from external clock
or circuit t
o
meas
ure can be used as trigger information source
.
EXT and EXT/5 trigger sources shall use external
trigger signals
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 

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Trigger
Holdoff