PeakTech 1280 Bedienungsanleitung Seite 83

Pulse Width Trigger
Choose Mode as "Pulse". Pulse trigger occurs according to the width of pulse. The abnormal signals
can be detected through setting up the pulse width condition.
1. Select pulse width condition and set time.
2. Set trigger level.
3. Set Trig Mode and Hold Off. About the setting method, refer to Edge Trigger.
Alternate trigger
Trigger signal comes from two vertical channels when alternate trigger is on. This mode is used to
observe two unrelated signals. You can choose different trigger modes for different channels. The
options are as follows: edge, video, pulse or slope.
Set in Trigger menu:
1. In Trigger menu, choose "Alternate" (the chosen label has
2. Choose Source.
3. Choose Mode.
About the setting method of Mode and parameters, refer to Single trigger.
Note: In alternate trigger, only one channel at most can be set as Video-mode. You cannot choose
Video in both channels.
Set in Trigger window:
Instruction of Trigger mode icon in Trigger window:
Rise in Edge mod
Synchronic trigger in video lin
Synchronic trigger in video odd file
Rising in Slop
+Pulse Widt
a mark).
Fall in Edge mode
Synchronic trigger in video field
Synchronic trigger in video even field
Falling in Slope
-Pulse Width
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