RIGOL
DS4000E Programming Guide
2-235
Return Format
The query returns an integer.
:TRIGger:VIDeo:MODE
Syntax
:TRIGger:VIDeo:MODE <mode>
:TRIGger:VIDeo:MODE?
Description
Sets or queries the sync trigger mode of Video trigger.
Parameter
Name
Type
Range
Default
<mode>
Discrete
{ALINes|LINE|ODDField|EVENfield}
ALINes
Remarks
ALINes: indicates all lines. The oscilloscope triggers on the first line found.
LINE: indicates the specified line. The oscilloscope triggers on the specified line. For NTSC and
PAL/SECAM video standards, the oscilloscope triggers on the specified line in the odd or even field. For
HDTV video standard, the oscilloscope triggers on the specified line. You can use
the :TRIGger:VIDeo:LINE command to specify the line number.
ODDField: indicates the odd field. The oscilloscope triggers on the rising edge of the first ramp
waveform pulse in the odd field. It is only available when the video standard is "NTSC" or "PALSecam"
(refer to the :TRIGger:VIDeo:STANdard command).
EVENfield: indicates the even field. The oscilloscope triggers on the rising edge of the first ramp
waveform pulse in the even field. It is only available when the video standard is "NTSC" or "PALSecam"
(refer to the :TRIGger:VIDeo:STANdard command).
Return Format
The query returns ALIN, LINE, ODDF, or EVEN.
:TRIGger:VIDeo:POLarity
Syntax
:TRIGger:VIDeo:POLarity <polarity>
:TRIGger:VIDeo:POLarity?
Description
Sets or queries the video polarity of Video trigger.
Parameter
Name
Type
Range
Default
<polarity>
Discrete
{POSitive|NEGative}
POSitive
Return Format
The query returns POS or NEG.
