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displayed at the upper-right corner of the screen, as shown in the figure below. You
can also press Type continuously or enable the touch screen to select it.
Source Selection:
Press Source to open the signal source list and select CH1-CH4 or D0-D15. For
details, refer to descriptions in "
Trigger Source
". The current trigger source is
displayed at the upper-right corner of the screen.
NOTE
Only when we select the channel (that has been input with signals) as the trigger source, can
we obtain a stable trigger.
Baud Rate:
Press
Baud, and rotate the multifunction knob to select a FlexRay baud rate that
matches the actual FlexRay bus signal. Press down the knob to select it. You can also
press Baud continuously or enable the touch screen to select it. The available baud
rates are 2.5 Mb/s, 5 Mb/s, and 10 Mb/s.
Trigger Condition:
Press When, then rotate the multifunction knob to select the trigger condition,
and then press down the knob to select it. You can also press When continuously or
enable the touch screen to select it.
• Post: triggers on the specified position of the FlexRay bus. Press Post to select
"TSS End", "FSS_BSS End", "FES End", or "DTS End".
• Frame: triggers on the frame of FlexRay bus.
- Press Frame to select the frame type. The types of frames include null, Sync,
Start, and All.
- Press More > Define to select "ID" or "Cyc Count".
When you select "ID", set the following parameters: ID Comp and ID Min.
Press More > ID Comp to select the comparison conditions. The available
choices include =, ≠, >, <, ><, <>. Press More > ID Max or press More >
ID Min, then rotate the multifunction knob or use the pop-up numeric
keypad to set the frame ID.
When you select "Cyc Count", set the following parameters: Cyc Comp and
Count Min. Press More > Cyc Comp to select the comparison conditions.
The available choices include =, ≠, >, <, ><, <>. Press More > Count Max
To Trigger the Oscilloscope
122
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