User manual

RIGOL Chapter 2 Command System
2-220 DS4000E Programming Guide
Parameter
Name
Type
Range
Default
<parity>
Discrete
{EVEN|ODD|NONE}
NONE
Remarks
The even-odd check mode cannot be set to NONE when the trigger condition is "PARity" (refer to
the :TRIGger:RS232:WHEN command).
Return Format
The query returns EVEN, ODD, or NONE.
:TRIGger:RS232:SOURce
Syntax
:TRIGger:RS232:SOURce <source>
:TRIGger:RS232:SOURce?
Description
Sets or queries the source channel of RS232 trigger.
Parameter
Name
Type Range Default
<source>
Discrete
{CHANnel1|CHANnel2|CHANnel3|CHANnel4}
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, or CHAN4.
:TRIGger:RS232:STOP
Syntax
:TRIGger:RS232:STOP <bit>
:TRIGger:RS232:STOP?
Description
Sets or queries the stop bit of RS232 trigger when the trigger condition is "ERRor", "PARity" or "DATA"
(refer to the :TRIGger:RS232:WHEN command).
Parameter
Name
Type Range Default
<bit> Discrete {1|2} 1
Return Format
The query returns 1 or 2.