Rigol DSG3000 Series Guia do Utilizador Página 83

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Chapter 2 Front Panel Operations RIGOL
DSG3000 Users Guide 2-43
Bus Trigger
After selecting Bustrigger, if the sweep mode is set to Cont, the
instrument starts a sweep each time the *TRGcommand is sent. If the
sweep mode is Single”, press Single to meet the single sweep condition.
After that the instrument starts a sweep and then stops each time the
*TRGcommand is sent.
External Trigger
In external trigger, the RF signal generator accepts the trigger signal input
from the [TRRIGER IN] connector (as shown in the figure below) at the
rear panel. If the sweep mode is set to Cont, the instrument starts a
sweep each time a TTL pulse signal with specified polarity is received. If the
sweep mode is Single, 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 specified polarity is received.
To specify the polarity of the TTL pulse signal, press Trig Slope to select
Posor Negand the default is Pos.
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