UNI-T
UPO 3000E&UPO2000E Series Oscilloscope Programming Manual
Query return{ POSitive | NEGative }.
For example：
:TRIGger:PULSe:POL POS
set pulse polarity as POSitive
:TRIGger:PULSe:POL?
query return POSitive
:TRIGger:PULSe:TIME
Command format：
:TRIGger:PULSe:TIME <time>
:TRIGger:PULSe:TIME?
Functional description：
Set time interval of pulse width trigger.
Return format：
Query return the current time interval, unit is s.
For example：
:TRIGger:PULSe:TIME 1
set pulse width as 1s
:TRIGger:PULSe:TIME?
query return1.000e000
Video Trigger
:TRIGger:VIDeo:MODE
Command format：
:TRIGger:VIDeo:MODE {
ODD | EVEN |
LINE|
ALINes}
:TRIGger:VIDeo:MODE?
Functional description：
Set the sync mode of video trigger, ODD, EVEN, LINE and ALINes.
Return format：
Query return{
ODD | EVEN |
LINE|
ALIN}.
For example：
:TRIGger:VIDeo:MODE ODD
set the sync mode as ODD
:TRIGger:VIDeo:MODE?
query return ODD
:TRIGger:VIDeo:STANdard
Command format：
:TRIGger:VIDeo:STANdard {
NTSC | PAL | SECam }
