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Level trigger, active level (high active or low active) is set via External Trigger dialog box.
Pulse width shall be at least 1us but not longer than Sweep time (several triggers may be aroused when pulse width
is longer than Sweep time).
Trigger Scope zone
Trigger range settings determine what Measure channels of Analyzer will receive trigger signal. There are two settings for trigger
range:
All
and
Channel
:
[All]
This is the default setting for Analyzer. All the other channels will receive trigger signal except for the channel in
Hold
mode.
[Channel]
Only the next channel not in
Hold
mode will receive trigger signal. When Measure is completed for the current channel, Analyzer will
select automatically the next channel to receive trigger signal. All the other channels will be selected in order except for the channel
in
Hold
mode. This setting has no evident influence on Measure unless
Trigger Source
is set to be manual status. When
Channel
setting is selected,
spot sweep
function will be available.
Channel Trigger State zone
Trigger settings determine how many trigger signals will be received by one channel. There are four channel trigger status:
[Continuous]
The channel will receive unlimited trigger signals and continue to sweep.
[Group]
The channel will receive the trigger signal with the number specified in [Group] input box to conduct Sweep for specified times and
then enter into Hold mode.
[Single]
The channel will receive one trigger signal to conduct one Sweep, and then enter into Hold mode.
[Hold]
The channel will not receive trigger signal and stop Sweep.
[Channel Selection]
Select the channel adaptable to trigger settings.
[Spot Sweep]
This trigger mode can be selected only when trigger source is manual or external and trigger range is channel. Under spot sweep
mode, when the channel receives trigger signal, the next data point in the Sweep will be measured. The channel will receive trigger
signal until all Measures in the channel are complete, and then it will trigger the next channel not in Hold mode.
4.6.2.4.
External trigger dialog box
