146 Agilent InfiniiVision 3000 X-Series Oscilloscopes User's Guide
10 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 rear panel 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.)
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, alternating 
edges, or either edge (depending on the selected source). The selected 
slope is displayed in the upper- right corner of the display.