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SIGLENT
34 SDS1000CFL User Manual
2.8.1 Signal Source
You can use the Trigger Source options to select the signal that the oscilloscope
uses as a trigger. The source can be any signal connected to a channel BNC, to
the EXT TRIG BNC or the AC power line (available only with Edge triggers).
2.8.2 Trigger Type
The scopes have five trigger types: Edge, Video, Pulse, Slope, and
Alternative.
Edge Trigger
Use Edge triggering to trigger on the edge of the oscilloscope input signal at the
trigger threshold.
Table 2-14 Edge Trigger function Menu:
Option
Setting
Explain
Type Edge
With Edge highlighted, the rising or falling edge of
the input signal is used for the trigger.
CH1
CH2
CH3
CH4
Triggers on a channel whether or not the waveform
is displayed.
EXT
Does not display the trigger signal; the Ext option
uses the signal connected to the EXT TRIG
front-panel BNC and allows a trigger level range of
-1.2V to +1.2V.
EXT/5
Same as Ext option, but attenuates the signal by a
factor of five, and allows a trigger level range of +6V
to -6V.This extends the trigger level range.
Source
AC Line
This selection uses a signal derived from the power
line as the trigger source; trigger coupling is set to
DC and the trigger level to 0 volts.
Slope
Trigger on Rising edge of the trigger signal.
Trigger on Falling edge of the trigger signal.
Trigger on Rising edge and Falling edge of the
trigger signal.
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