Rigol DS1204B Specifiche Scaricare il pdf (Pagina 79)

RIGOL

Programming Guide for DS1000B Series

2-71

Query Format:

:TRIGger:ALTernation:PULSe:TIME?□[<source>]

Return Format:

The query returns the value of pulse width, and the unit is s.

Example:

:TRIGGER:ALTERNATION:PULSe:TIME□0.002, SOURceB

Set the pulse width as 2ms.

:TRIGGER:ALTERNATION:PULSeE:TIME?□SOURCeB Return 2.000e-03.

(10) :TRIGger:ALTernation:VIDEO:POLarity

Command Format:

:TRIGger:ALTernation:VIDEO:POLarity□{POSitive |

NEGative }[,<source>]

Function:

The command sets the video polarity as Positive or Negative. The

<source> may be SOURceA or SOURceB, and the source A and B are

ivarying with the current alternation channel.

Query Format:

:TRIGger:ALTernation:VIDEO:POLarity?□[<source>]

Return Format:

The query returns POSITIVE or NEGATIVE.

Example:

:TRIGger:ALTernation:VIDEO:POLarity□POSitive, SOURceB

Set the video polarity as positive.

:TRIGger:ALTernation:VIDEO:POLarity?□SOURceB Return POSITIVE.

(11) :TRIGger:ALTernation:VIDEO:STANdard

Command Format:

:TRIGger:ALTernation:VIDEO:STANdard□{NTSC |

PALSecam}[,<source>]

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Rigol DS1204B Specifiche Pagina 79