Chapter 2 Front Panel Operations RIGOL
DSG800 User's Guide 2-11
Trigger Mode
1. Trigger Mode
Select the trigger mode of the whole sweep period.
Press SWEEP and use the menu page up/down key
to open the 2/3 page
of the menu; then, press Trig Mode to select "Auto", "Key", "Bus" or "Ext"
trigger.
Note: The following descriptions are valid when the trigger mode of each sweep
point in the sweep period is met.
Auto Trigger
The default mode is auto. If the sweep mode is set to "Cont", the
instrument will start sweeping 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 will start a sweep and then
stops.
Key Trigger
When "Key" trigger is selected, if the sweep mode is set to "Cont", the
instrument starts a sweep 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 a sweep and then stops each
time Key Trig is pressed.
Bus Trigger
When "Bus" trigger is selected, if the sweep mode is set to "Cont", the
instrument starts a sweep 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 a sweep and then
stops each time the "*TRG" command is sent.
External Trigger
In external trigger, the RF signal generator receives the trigger signal input
from the [TRIGGER IN] connector (as shown in the figure on the next
page) at the rear panel. If the sweep mode is set to "Cont", the instrument
starts a sweep each time a TTL pulse signal with the specified polarity is
received. If the sweep mode is set to "Single", you need to press Single to
meet the single sweep condition; after that, the instrument starts a sweep
and then stops each time a TTL pulse signal with the specified polarity is
received.
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