User manual

Chapter 2 Command System RIGOL
DS4000E Programming Guide 2-219
:TRIGger:RS232:DATA
Syntax
:TRIGger:RS232:DATA <data>
:TRIGger:RS232:DATA?
Description
Sets or queries the data value of RS232 trigger when the trigger condition is "DATA" (refer to
the :TRIGger:RS232:WHEN command).
Parameter
Name
Type
Range
Default
<data>
Integer
Refer to Remarks
70
Remarks
The value of <data> is related to the current data width (set to n, refer to the :TRIGger:RS232:WIDTh
command). Its range is from 0 to (2
n
- 1).
Return Format
The query returns an integer.
:TRIGger:RS232:LEVel
Syntax
:TRIGger:RS232:LEVel <level>
:TRIGger:RS232:LEVel?
Description
Sets or queries the trigger level of RS232 trigger. The unit is the same as the current amplitude unit of the
source channel.
Parameter
Name Type Range Default
<level> Real
The range of <level> is from (-6 x VerticalScale - Offset)
to (6 x VerticalScale - Offset) (relative to the vertical
center of the screen).
Wherein, VerticalScale is the vertical scale of the source
channel, refer to the :CHANnel<n>:SCALe command;
Offset is the vertical position of the source channel, refer
to the :CHANnel<n>:OFFSet command.
0
Return Format
The query returns the trigger level in scientific notation.
:TRIGger:RS232:PARity
Syntax
:TRIGger:RS232:PARity <parity>
:TRIGger:RS232:PARity?
Description
Sets or queries the even-odd check mode of RS232 trigger when the trigger condition is "ERRor", "PARity",
or "DATA" (refer to the :TRIGger:RS232:WHEN command).