172 Keysight InfiniiVision 3000T X-Series Oscilloscopes User's Guide
11 Triggers
Edge Trigger
The Edge trigger type identifies a trigger by looking for a specified edge (slope)
and voltage level on a waveform. You can define the trigger source and slope in
this menu. The trigger type, source, and level are displayed in the upper-right
corner of the display.
1 On the front panel, in the Trigger section, press the [Trigger] key.
2 In the Trigger Menu, press the Trigger softkey, and use the Entry knob to select
Edge.
3 Select the trigger source:
• Analog channel, 1 to the number of channels
• Digital channel (on mixed-signal oscilloscopes), D0 to the number of digital
channels minus one.
• External — triggers on the EXT TRIG IN signal.
• Line — triggers at the 50% level of the rising or falling edge of the AC power
source signal.
• WaveGen — triggers at the 50% level of the rising edge of the waveform
generator output signal. (Not available when the DC, Noise, or Cardiac
waveforms are selected.)
• WaveGen Mod (FSK/FM) — when waveform generator FSK or FM modulation is
used, triggers at the 50% level of the rising edge of the modulating signal.
You can choose a channel that is turned off (not displayed) as the source for the
edge trigger.
The selected trigger source is indicated in the upper-right corner of the display
next to the slope symbol:
• 1 through 4 = analog channels.
• D0 through Dn = digital channels.
• E = External trigger input.
• L = Line trigger.
• W = Waveform generator.
4 Press the Slope softkey and select:
• Rising edge.
• Falling edge.
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