Tektronix MDO4000B Series

Commands Listed in Alphabetical Order
Arguments
POSitive argum
ent sets the oscilloscope to trigger on a positive video sync pulse.
NEGative argument sets the oscilloscope to trigger on a negative video sync
pulse.
Examples
TRIGGER:A:VIDEO:POLARITY NEGATIVE sets the oscilloscope to trigger on a
negative video pulse.
TRIGGER:A:VIDEO:POLARITY? might return :TRIGger:A:VIDe o:POLARITY
POSITIVE
indicating th
at the oscilloscope is set to trigger on a positive video
sync pulse.
TRIGger:A:VIDeo:SOUrce
This command sets the source channel to use for triggering on video signals
(CH1-4).
Conditions
This command requires a DPO4VID application module to use any standard
besides NTSc, PAL, or SECAM, except for MDO3000 models, which do not
require an application module.
Group
Trigger
Syntax
TRIGger:A:VIDeo:SOUrce
{CH1|CH2|CH3|CH4}
TRIGger:A:VIDeo:SOUrce?
Arguments
CH1–CH4 specifies the input channel to use as the A video trigger.
Examples
TRIGGER:A:VIDEO:SOURCE CH1 sets Channel 1 as the source for the video
trigger operation.
TRIGGER:A:VIDEO:SOURCE? might return :TRIGger:A:VIDeo:SOURCE CH2
indicating that the source for the video trigger operation is set to Channel2.
TRIGger:A:VIDeo:STANdard
This command sets the standard to use for triggering on video signals.
Conditions
This command requires a DPO4VID application module to use any standard
besides NTSc, PAL, or SECAM, except for MDO3000 models, which do not
require an application module.
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-917