Rigol DHO900 Series User Manual page 108

Triggering the Oscilloscope
Clock Source
Click or tap the drop-down button of SCL to select CH1-CH4 or D0-D15. For details,
Trigger Source
refer to
information label at the top of the screen.
Only when you select the channel that has signal inputs as the trigger source, can you
obtain a stable trigger.
Edge Type
Select the desired clock edge type in the Slope item, and it can be set to "Rising" or
"Falling".
Data Source
Click or tap the drop-down button of SDA to select CH1-CH4 or D0-D15. For details,
Trigger Source
refer to
information label at the top of the screen.
Only when you select the channel that has signal inputs as the trigger source, can you
obtain a stable trigger.
Data Type
Select the effective pattern of the data signal in the Data Type item. It can be set to H
(high level) or L (low level).
Trigger Condition
Set the Setup/Hold trigger condition in the When item.
• Setup: the oscilloscope triggers when the setup time is smaller than the
specified setup time. After selecting this type, click or tap the input field of
Setup to set the setup time with the pop-up numeric keypad. You can also use
the corresponding multipurpose knob to set the value.
• Hold: the oscilloscope triggers when the hold time is smaller than the specified
hold time. After selecting this type, click or tap the input field of Hold to set the
hold time with the pop-up numeric keypad. You can also use the corresponding
multipurpose knob to set the value.
• Setup/Hold: the oscilloscope triggers when the setup time or hold time smaller
than the specified time value. After selecting this type, click or tap the input field
of Setup and Hold respectively to set the setup and hold time with the pop-up
numeric keypad. You can also use the corresponding multipurpose knob to set
the values.
Trigger Mode
In Sweep, select Auto, Normal, or Single as the trigger mode. For details, refer to
descriptions in
DHO900 User Guide
92
. The selected trigger source is indicated in the trigger
The selected trigger source is indicated in the trigger
Trigger Mode
.
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