RIGOL Chapter 2 Front Panel Operations
2-12 DSG800 User's Guide
To specify the polarity of the TTL pulse signal, press Trig Slope to select
"Pos" or "Neg" and the default is "Pos".
2. Point Trigger Mode
Select the trigger mode of each sweep point in a sweep period.
Press SWEEP and use the menu page up/down key
to open the 2/3 page
of the menu; then, press Point Trig to select "Auto", "Key", "Bus" or "Ext"
trigger.
Note: The following descriptions are valid when the trigger mode of the
corresponding sweep period is met.
Auto Trigger
The default mode is auto. If the sweep mode is set to "Cont", the
instrument will start sweeping each sweep point continuously within a
sweep period once a sweep manner is selected. If the sweep mode is set to
"Single", you need to press Single to meet the single sweep condition;
after that, the instrument starts to sweep and then stops after the sweep
period expires.
Key Trigger
When "Key" trigger is selected, if the sweep mode is set to "Cont", the
instrument starts to sweep a point each time Key Trig is pressed; if the
sweep mode is set to "Single", you need to press Single to meet the single
sweep condition and after that, the instrument starts to sweep a point and
then stops after the sweep period expires each time Key Trig is pressed.
Bus Trigger
When "Bus" trigger is selected, if the sweep mode is set to "Cont", the
instrument starts to sweep a point each time the "*TRG" command is sent;
if the sweep mode is set to "Single", you need to press Single to meet the
single sweep condition and after that, the instrument starts to sweep a
point and then stops after the sweep period expires each time the "*TRG"
command is sent.
External Trigger
In external trigger mode, the RF signal generator receives the trigger signal
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