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• Bit Fill: triggers on the error frame with the bit fill.
• Answer Error: triggers on the answer error frame.
• Check Error: triggers on the check error frame.
• Format Error: triggers on the format error frame.
• Random Error: triggers on the random error frame, such as the format error
frame, answer error frame, etc.
Trigger Mode
In Sweep, select Auto, Normal, or Single as the trigger mode. For details, refer to
descriptions in
Trigger Mode
.
Trigger Parameter Setting
You can refer to
Noise Rejection
to set the noise rejection under this trigger type.
Trigger Level
Click or tap the Level input field to set the trigger level with the pop-up numeric
keypad. You can also use the front-panel trigger level knob or the corresponding
multipurpose knob to set the trigger level. For details, refer to descriptions in
Trigger
Level
. The current trigger level is displayed in the trigger information label at the top
of the screen.
8.7.17 FlexRay Trigger (Optional)
This series oscilloscope can trigger on the specified frame, symbol, error, or position
of the FlexRay bus. FlexRay is a type of differential serial bus configured with three
consecutive segments (i.e. packet header, payload, and packet trailer). Its data
transmission rate is up to 10 Mb/s. Each frame contains a static segment and a
dynamic segment, and ends with the bus idle time.
Its format is as shown in the figure below.
Figure 8.35 Frame Format of FlexRay Bus
Triggering the Oscilloscope
DHO4000 User Guide
116
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
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