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Triggering the Oscilloscope
Data Bits
Click or tap the input field of DataBits, and then use the pop-up numeric keypad to
set the number of bits in the serial data string. You can also use the corresponding
multipurpose knob to set the value. The number of bits in the string can be set to any
integer ranging from 4 to 32.
Trigger Mode
In Sweep, select Auto, Normal, or Single as the trigger mode. For details, refer to
Trigger Mode
Trigger Parameter Setting
You can refer to
Level Selection and Setting
After the trigger condition setting is completed, you need to adjust the trigger level
to correctly trigger the signal and obtain a stable waveform.
•
Level A
Click or tap the input field of Level A to input the level of CLK with the pop-up
numeric keypad. You can also use the corresponding multipurpose knob or the
trigger level knob to adjust the level of CLK. For details, refer to descriptions in
Trigger Level
label at the top of the screen.
•
Level B
Click or tap the input field of Level B to input the level of MISO with the pop-up
numeric keypad. You can also use the corresponding multipurpose knob to
adjust the level of MISO. For details, refer to descriptions in
current trigger level is displayed in the trigger information label at the top of the
screen.
•
Level C
Click or tap the input field of Level C to input the level of CS with the pop-up
numeric keypad. You can also use the corresponding multipurpose knob to
adjust the level of CS. For details, refer to descriptions in
current trigger level is displayed in the trigger information label at the top of the
screen.
8.7.16
CAN Trigger
This series oscilloscope can trigger on the start of a frame, end of a frame, frame of
the specified type (e.g. Remote, Overload, Data, etc.), or error frame of the specified
type (e.g. Answer Error, Check Error, Format Error, etc.) of the CAN signal and CAN-FD
(optional).
The data frame format of the CAN bus is as shown in the figure below.
HDO4000 User Guide
110
.
Noise Rejection
to set the noise rejection under this trigger type.
. The current trigger level is displayed in the trigger information
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Trigger Level
. The
Trigger Level
. The
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