GW Instek GDS-800 Series Programming Manual - Manual (Page 70)

GDS-806/810/820/840 Programming Manual
69
:TRIGger:VIDeo:POLarity
Select and query the input video polarity.
Syntax
:TRIGger:VIDeo:POLarity <0|1>
:TRIGger:VIDeo:POLarity?
Arguments
0 →Positive-going sync pulses
1
→Negative-going sync pulses
Returns
<NR1>
:TRIGger:VIDeo:TYPe
Select and query the TV broadcast system.
Syntax
:TRIGger:VIDeo:TYPe <0|1|2>
:TRIGger:VIDeo:TYPe?
Arguments
0 →PAL
1 →NTSC
2
→SECAM
Returns
<NR1>