GW Instek GBS-1000 Series Programming Manual - Manual (Page 84)

GBS-1000 Programming Manual
84
:TRIGger:VIDeo:LINe
Set
Query
Description Sets or queries which specific line to trigger on.
Same as: Trigger MENU key → F5(Field). (Note:
Only when trigger = video.)
Syntax < Long > < Short >
:trigger:video:line
:trigger:video:line? :trig:vid:lin
:trig:vid:lin?
Parameter/Return
parameter
1~313 NTSC: 1~263 for Odd frame; 1-262 for
even frame
PAL: 1~313 for Odd frame; 1-312 for even
frame.
Example :trigger:video:line 1 Sets the video trigger to
trigger on line 1.
:TRIGger:VIDeo:POLarity
Set
Query
Description Sets or queries the video trigger polarity.
Same as: Trigger MENU key → F4Field). (Note:
Only when trigger = video.)
Syntax < Long > < Short >
:trigger:video:polarity < 0 | 1>
:trigger:video:polarity? :trig:vid:pol< 0 | 1>
:trig:vid:pol?
Parameter/Return
parameter
0 Positive-going sync pulses
1 Negative-going sync pulses
Example :trigger:video:polarity 0 Sets the polarity to
positive.