RIGOL Chapter 2 Front Panel Operations
2-32 DSG800 User Guide
baseband signal each time the "*TRG" command is sent.
External Trigger
When "Ext" trigger mode is selected, the RF signal generator receives
the external trigger signal input from the [TRIGGER IN] connector
(as shown in the figure below) at the rear panel. The instrument will
output the baseband signal each time a TTL pulse signal with the
specified polarity is received.
2) Operation Mode
Select the operation mode after the I/Q modulation baseband signal is
triggered.
Press Opt Mode to select "Retrig", "Arm Auto", "Arm Retrig" or "Single".
Note: When "Auto" trigger mode is selected, this menu is grayed out and
disabled.
Retrigger
When the "Retrig" mode is selected, the instrument outputs the
baseband signal continuously and restarts to output the signal each
time a trigger is received.
Arm Auto
When the "Arm Auto" mode is selected, the instrument starts
outputting the signal continuously each time a trigger is received until
"Arm ARB" is selected and then waits for the next trigger.
Arm Retrigger
When the "Arm Retrig" mode is selected, the instrument starts
outputting the signal continuously each time a trigger is received; the
instrument restarts outputting the signal when another trigger is
received until "Arm ARB" is selected and then waits for the next
trigger.
Single
When the "Single" mode is selected, the instrument outputs the
specified length (specified in "Duration") of waveform each time a
trigger is received and then stops to wait for the next trigger.
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