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corresponding multipurpose knob or the trigger level knob to set the value. 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.
• Level B
Sets the trigger level of WS. Click or tap the Level B input field to set the trigger
level with the pop-up numeric keypad. You can also use the corresponding
multipurpose knob or the trigger level knob to set the value. 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.
• Level C
Sets the trigger level of SDA. Click or tap the Level C input field to set the trigger
level with the pop-up numeric keypad. You can also use the corresponding
multipurpose knob or the trigger level knob to set the value. 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.
8.7.20 MIL-STD-1553 Trigger (Optional)
1553B is the abbreviation for the MIL-STD-1553 bus. This series can trigger on the
sync field of 1553B bus, and can also trigger on the specified data word, command
word, status word, or error type.
The command word, data word, and status word format of the 1553B bus is as shown
in the figure below.
Triggering the Oscilloscope
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DHO4000 User Guide
125
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