mermaid ventura 170 TFT - User manual Version 1.0
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Apppendix E: Optical Characteristics – ventura 170 TFT
The following items were measured under stable conditions. The optical characteristics should be measured in a dark room
or equivalent state.
* Measuring equipment:
TOPCON MB-5A: Contrast Ratio, Luminance of White, Viewing Angle
TOPCON BM-7: Response time
Photo Research PR650: Color Chromaticity
* Ta = 25
±
2
0
C,
VIN = +12V
fv= 60Hz
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Contrast Ratio
C R
250
350
-
Rising
T
R
-
5
15
Response
Time at Ta
Falling
T
F
-
20
30
msec
Luminance of White
(Center of Screen)
Y
L
200
250
-
cd/m
2
R
X
0.631
Red
R
Y
0.354
G
X
0.294
Green
G
Y
0.596
B
X
0.143
Blue
B
Y
0.087
W
X
0.300
Color
Chromaticity
(CIE 1931)
White
W
Y
Ö=0,
È=0
Normal
Viewing
Angle
-0.03
0.340
+0.03
è
L
60
65
-
Hor.
è
R
60
65
-
È
H
50
55
-
Viewing
Angle
Ver.
È
L
C R 10
50
55
-
Degrees
Color Gamut
-
65
-
%
Brightness Uniformity
(9 points)
B
UNI
-
-
25
%
Cross Modulation
C
T
-
-
5
%
•
Measuring Condition: Maximum value of Brightness and Contrast in OSD menu.
