Rigol DM3058 Manual do Utilizador descarregar pdf (Página 148)

RIGOL

Programming Guide for DM3058/DM3058E

4-55

TRIGger:SOURce? – Queries the current trigger source.

The possible return value is IMMediate, EXTernal and BUS; thereinto, IMMediate

denotes the trigger signal will be generated immediately; EXTernal denotes the

external trigger source on the rear panel will be used; BUS (software trigger)

denotes the command “*TRG” should be used when the instrument is in “waiting

trigger”.

After the trigger source is selected, the instrument must be set to “waiting

trigger” mode, or the trigger source will be refused. To set the trigger source to

IMM mode, using command CONFigure or MEASure?.

Command “SENSe:<function>:RANGe:AUTO OFF” is suggested to disable auto

range function, the command “SENSe:<function>:RANGe”, “CONFigure” or

“MEASure?” is for setting the range manually.

Return Format:

The query returns the current trigger source.

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Rigol DM3058 Manual do Utilizador Página 148