16
www.tektronix.com/tds3000
TDS3000C Series Oscilloscopes
Check Video Color Signals
Video technicians need to check for chroma (color)
level problems and to adjust video equipment to
solve any such problems. The TDS3000C Series
can function as a vectorscope with built-in gratic-
ules for 100% or 75% color bars to enable these
technicians to measure chroma levels and view
color signal phase and amplitude problems.
To use the TDS3000C Series’ vectorscope
mode:
1. Connect the Y’ signal to Ch1, the P’b signal to Ch2,
and the P’r signal to Ch3.
2. Press the
Display
front panel button to show the
display menu.
3. Press the
Vector Scope
bottom menu button.
4. Press the Ch2 vs. Ch3 (P’b vs. P’r) side menu button.
5. To scale and place the image, adjust the front panel
Vertical Scale
and
Vertical Position
knobs as desired
with Ch2 (horizontal) and Ch3 (vertical) selected.
6. To more accurately scale and position the vector
display, press the
Vertical Menu
front panel button
and the
Fine Scale
bottom button, and rotate the
general-purpose knob.
TDS3VID or TDS3SDI video application modules required.
