Rigol DS1000CA Series - Page 51

Programming Introduction RIGOL
Programming Guide for DS1000CA Series
2-39
11. :TRIGger:ALTernation:VIDEO:LINE
Command Format:
:TRIGger:ALTernation:VIDEO:LINE <value>
:TRIGger:ALTernation:VIDEO:LINE?
Function Explanation:
The commands are used to set and query the number of appointed
synchronous lines.
In NTSC standard, the range of <value> is 1~525;
In PALSecam standard, the range of <value> is 1~ 625.
Returned Format:
Query returns the set value of <value>.
Example:
:TRIG:ALT:VIDEO:LINE 100 Set the number as 100
:TRIG:ALT:VIDEO:LINE? Query returns 100
12. :TRIGger:ALTernation:SLOPe:WINDow
Command Format:
:TRIGger:ALTernation:SLOPe:WINDow <count>
:TRIGger:ALTernation:SLOPe:WINDow?
Function Explanation:
The commands are used to set and query trigger level of the vertical window.
The options of <count> are “PA”, “PB” or “PAB” when slope condition is
“+GREaterthan”, “+LESSthan” or “+EQUal”;
The options of <count> are “NA”, “NB” or “NAB” when slope condition is
“-GREaterthan”, “-LESSthan” or “-EQUal”.
Returned Format:
Query returns “P_WIN_A”, “P_WIN_B”, “P_WIN_AB”, “N_WIN_A”, “N_WIN_B”
or “N_WIN_AB”.
Example: