Tektronix MSO 2 Series - Set up Trigger on a Serial Bus; Set Trigger Holdoff; Trigger on an External Signal Using the aux Input

4. T
ap either the Binary or Hex Data boxes to enter the parallel bus data value, in either Binary or Hexadecimal format, on which to
trigger. The number of bits shown depends on the number of sources (channels) in the parallel bus.
a. Use multipurpose knob A to select the digit or digits to change.
b. Use multipurpose knob B to change the value of the selected digits.
Set up trigger on a serial bus
Use this procedure to set up triggering on a serial bus.
Use this procedure if you have already created a serial bus. Serial buses require purchasing and installing serial bus options. To trigger on
a Rise/Fall event:
1. Double-tap the Trigger badge on the Settings bar.
2. Tap Trigger Type and select Bus from the list.
3. Tap Source and select a serial bus from the list.
4. Tap Trigger On and select what to trigger on from the list. The displayed fields and controls depend on the bus type and Trigger On
selection. Use these fields to trigger on a specific bus condition. See Bus Trigger configuration on page 220.
Set Trigger Holdoff
Trigger Holdoff sets the time, after triggering on an event, that the instrument waits before detecting the same trigger event to start the next
acquisition.
Setting the correct holdoff time is important to get a stable trigger. The holdoff set for the waveform triggers on the first pulse in the burst to
remedy the unstable trigger.
Prerequisite: Y
ou have set up a trigger event for a signal.
1. Double-tap the Trigger badge on the Settings bar to open the Trigger configuration menu.
2. Tap the Mode & Holdoff panel.
3. To set a specific holdoff time, tap Holdoff Time and use the assigned multipurpose knob to specify a holdoff time. Or double-tap the
field and use the virtual keypad to enter a holdoff time.
Trigger on an external signal using the AUX input
Use this procedure to trigger the instrument from an external signal connected to the AUX input.
1. Double-tap the Trigger badge on the Settings bar.
2. Tap Trigger Type and select Edge from the list.
3. Tap Source and select Aux.
Note: The Aux setting is available only for the Edge trigger type.
4. Set the values for Coupling, Level, and Slope to trigger on the Aux connector signal.
Advanced triggering
2 Series MSO MSO24 and MSO22 85