Rigol DS1000MD Manual do Utilizador descarregar pdf (Página 72)

RIGOL

Programming Guide for DS1000/DS1000CA Series

2-64

6. Set the Alternate trigger condition

When alternate trigger is on, the trigger sources come from the two vertical

channels. This mode can be used to observe two non-related signals. You can

choose two different trigger modes for individual channels. The options are as

follows: Edge, Pulse, Slope and video.

6.1 :TRIGger:ALTernation:SOURce

Command Format:

:TRIGger:ALTernation:SOURce□<src>

Explanation:

The command is to choose the source channel. <src> can be CHANnel1 or CHANnel2.

Query Format:

:TRIGger:ALTernation:SOURce?

Returned Format:

Query returns “CH1” or “CH2”. The double quotes are not returned.

Example:

:TRIGger:ALTernation:SOURce□CHANNEL2 Choose Channel 2 as the source

:TRIGger:ALTernation:SOURce? Query returns “CH2”

6.2 :TRIGger:ALTernation:TYPE

Command Format:

:TRIGger:ALTernation:TYPE□<value>

Explanation:

The command is to set up trigger type.

<type> can be “EDGE”, “PULSe”, “SLOPe” or “VIDEO”.

Query Format:

:TRIGger:ALTernation:TYPE?

Returned Format:

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 96 97

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