Tektronix TDS 200-Series User Manual

Reference
86
TDS 200-Series Digital Oscilloscope User Manual
Video Trigger
Choose video triggering to trigger on fields or the lines of an NTSC,
PAL, or SECAM standard video signal.
Menu Settings Comments
Video With Video highlighted, triggering occurs
on an NTSC, PAL, or SECAM standard
video signal
Trigger coupling is preset to AC
Polarity Normal
Inverted
Normal triggers on the negative edge of
the sync pulse and Inverted triggers on
the positive edge of the sync pulse
Source CH1
CH2
CH3*
CH4*
EXT**
EXT/5**
Selects the input source as the trigger
signal
EXT and EXT/5 use the signal applied to
the EXT TRIG connector as the source
Sync Field
Line
Select to trigger on fields or lines
* Only available on the TDS 224 oscilloscope.
** Only available on the TDS 210 and TDS 220 oscilloscopes.
Key Points
Sync Pulses. When you choose Normal Polarity, the trigger always
occurs on negative-going sync pulses. If your video signal has
positive-going sync pulses, use the Inverted Polarity selection.

Tektronix TDS 200-Series Specifications

General

Brand	Tektronix
Model	TDS 200-Series
Category	Test Equipment
Language	English