User manual

RIGOL Chapter 2 Command System
2-210 DS4000E Programming Guide
Remarks
When the trigger condition is "PGLess" or "NGLess" (refer to the :TRIGger:PULSe:WHEN command), the
lower limit of the pulse width must be smaller than the upper limit of the current pulse width (refer to
the :TRIGger:PULSe:UWIDth command).
Return Format
The query returns the lower limit of the pulse width in scientific notation.
:TRIGger:PULSe:SOURce
Syntax
:TRIGger:PULSe:SOURce <source>
:TRIGger:PULSe:SOURce?
Description
Sets or queries the source channel of Pulse trigger.
Parameter
Name Type Range Default
<source> Discrete {CHANnel1|CHANnel2|CHANnel3|CHANnel4|EXT} CHANnel1
Remarks
Channels that are not currently turned on can also be selected as the trigger source.
Return Format
The query returns CHAN1, CHAN2, CHAN3, CHAN4, or EXT.
:TRIGger:PULSe:UWIDth
Syntax
:TRIGger:PULSe:UWIDth <uwidth>
:TRIGger:PULSe:UWIDth?
Description
Sets or queries the upper limit of the pulse width of Pulse trigger when the trigger condition is "PLESs",
"NLESs", "PGLess", or "NGLess" (refer to the :TRIGger:PULSe:WHEN command). The default unit is s.
Parameter
Name
Type
Range
Default
<uwidth> Real
When the trigger condition is "PLESs" or "NLESs": 4 ns to
4 s
When the trigger condition is "PGLess" or "NGLess": 12
ns to 4 s
2 us
Remarks
When the trigger condition is "PGLess" or "NGLess" (refer to the :TRIGger:PULSe:WHEN command), the
upper limit of the pulse width must be greater than the lower limit of the current pulse width (refer to
the :TRIGger:PULSe:LWIDth command).
Return Format
The query returns the upper limit of the pulse width in scientific notation.