Tenma 72-2650 Operating Manual page 37

72-2650/72-10510/72-8225A /72-8705A/72-8710A user manual
EXT/5
AC Line
Source (F2)
Alter
>
Pulse width
>
conditions (F3)
=
Pulse width
setting (@)
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Set external trigger source
(divided by 5) as trigger level
range (Only for 72-2650)
Set AC power line as trigger
source
Set to Alternative trigger
between CH1 and CH2 as
signal source
Trigger when pulse width is
greater than pulse width
setting values
Trigger when pulse width is
less than pulse width
setting values
Trigger when pulse width is
equal to pulse width
setting values
Set the pulse width to
between 20ns~10s by using
the multi-purpose knob on
the front panel
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Type
Pulse width
Positive
Trigger polarity (F2)
Negative
Automation
Normal
Mode（F3）
Single
Set the positive pulse width
as trigger signal.
Set the negative pulse width
as trigger signal.
Set the positive pulse width
as trigger signal
Set the negative pulse width
as trigger signal
Set to automatic trigger.
The DSO will continuously
perform data acquisition
without a triggering signal.
Set to normal trigger. The
DSO will only perform data
acquisition when there is a
triggering signal.
Set to single trigger. The
DSO will only perform 1
cycle of the data acquisition
when there is a triggering
signal.
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