RIGOL 2 Command System
2-266 MSO2000A/DS2000A Programming Guide
:TRIGger:COUPling
Syntax
:TRIGger:COUPling <couple>
:TRIGger:COUPling?
Description
Set or query the trigger coupling mode.
Parameter
Name Type Range Default
<couple> Discrete {AC|DC|LFReject|HFReject} DC
Explanation
AC: allow DC and AC components to pass through the trigger path.
DC: block the DC components and attanuate signals lower than 75Hz.
LFReject: block the DC components and reject the low frequency components (lower than 75kHz).
HFReject: reject the high frequency components (higher than 75kHz).
Trigger coupling is only valid in edge trigger.
Return Format
The query returns AC, DC, LFR or HFR.
:TRIGger:HOLDoff
Syntax
:TRIGger:HOLDoff <value>
:TRIGger:HOLDoff?
Description
Set or query the trigger holdoff time. The unit is s.
Parameter
Name Type Range Default
<value> Real 100ns to 10s 100ns
Explanation
This setting is not available for the Nth edge trigger, video trigger, RS232 trigger, I2C trigger, SPI trigger,
USB trigger and CAN trigger.
Return Format
The query returns the trigger holdoff time in scientific notation.