Signal Content
Key
Circle
No.
1 .
X
X
X
X
2 .
Center Cross
X
X
X
X
X
X
X
3 .
White pattern
100% white signal
(with color burst)
X
X
X
X
X
4 .
Dots
X
X
5 .
Crosshatch
X
X
X
X
X
6 .
Checkerboard
X
X
X
X
X
X
X
X
7 .
Greyscale
X
X
X
8 .
Multiburst
X
X
9.
Color Bar
X
X
X
X
X
X
5
Survey of Patterns and Applications
White circle on
background
Black circle on
background
black
white
And Border
Castellations on black
or white background
White center indication
top-left indication
(no color burst)
Full screen
Linear staircase signal
with 8 identical steps
from black to white
Full screen definition
pattern of 8 vert. bars
0.8 MHz to 4.8 MHz
Comprises 8 vertical
bars- White, Yellow,
Cyan,Green, Magenta,
Red, Blue and Black
Page
A
Page
B
Application
-Overall linearity
-Overall geometry
-Framing
-Reflections
-Centering TV screen
-Pin-cushion correction
-Deflection linearity
-White setting
-Brightness control
-Beam current of picture tube
-Luminance writing current
-FM demodulator (white level)
-Static convergence
-Focussing
-Static convergence
-Dynamic convergence
-Pin-cushion correction
-E/W-N/S corrections
-Amplitude response
-Focus adjustment
-Horizontal/Vertical synchronization
-Horizontal/Vertical linearity
-Horizontal/Vertical deflection
-Amplitude response, Bandwidth
-Framing
-Main hum interference in
synchronization
-Black/white transitions
-Brig contrast circuitry
-Greysale tracking
-Linearity of video amplifier
-Video bandwidth
-Amplitude response/
resolution
-Overall color performance
-Burst keying
-Subcarrier regeneration
-Matrix circuit check
-RGB amplifiers
-Color delay versus B/W
signal saturation
GREY
SCALE
COLOR
BAR
MULTI
BURST
