mermaid ventura 213/240 - Users manual Version 3.0
___________________________________________________________________________________
Page 18 of 18
Appendix F: Optical Characteristics – ventura 213 T
The following items are measured under stable conditions. The optical characteristics sho uld be measured in a dark room
or equivalent state with the methods shown in Note (1).
* Measuring equipment: TOPCON BM-5A, BM-7
PHOTO RESEARCH PR650
* Ta = 25± 2 0C, Vco = 5.0V, fdclk=97.5MHz, IL = 6.5 mArms
Item Symbol Condition Min. Typ Max Unit
Contrast Ratio
(Center of screen)
CR (400) - -
Rising TR - (20) - Response
Time at Ta Falling TF - (15) -
msec
Luminance of White
(Center of Screen)
YL
-
250
-
cd/m2
RX - (TBD) -
Red RY - (TBD) -
GX - (TBD) -
Green GY - (TBD) -
BX - (TBD) -
Blue BY - (TBD) -
WX - (0.310) -
Color
Chromaticity
(CIE)
White WY
φ=0,
θ=0
Normal
Viewing
Angle
- (0.330) -
Hor. θR - 80 -
φH - 80 - Viewing
Angle
Ver. θL
CR≥10
- 80 -
Degrees