NEC DPro2070SB Service Manual page 49

(8) Adjust GN2 (GAIN-M) and GN3 (GAIN-L) to the specified value listed in the following table
in the same manner as GN1 (GAIN-H).
COLOR TEMPERATURE
Color temperature
Full green luminance
Full White
color coordination
Full white luminance(cd/m
(9) Setting R/G/B MAX GAIN
Set the MAX GAIN value for the following formula to the following address (all setting
values are indicated by HEX).
Firstly hexadecimal number should be converted to decimal number to be calculated, then
the result figured out is return to hexadecimal numbers to be written into the applicable
address.
How to write into address is described below.
MAX GAIN = MAX value of R/G/B GAIN adjustment value (*1) x {1 + (MAX value of
SBCN1, 2 (*2) /FF)
Address (HEX): 89 (R-GAIN-MAX), 8a (G-GAIN-MAX), 8b (B-GAIN-MAX)
(*1): MAX value of R/G/B GAIN adjustment value is the maximum one among R-GN1, G-
GN1, B-GN1, R-GN2, G-GN2, B-GN2, R-GN3, G-GN3 and B-GN3 in OSM (FACTORY-
3) adjusted according to the procedure (1) to (8) mentioned above.
(*2): MAX value of SBCN1, 2 is the maximum one between SBCN1 and SBCN2 in OSM
(FACTORY-3).
Note) All of (MAX GAIN), (MAX value R/G/B GAIN) and (SBCN1 and SBCN2) are indi
cated by hexadecimal number (HEX), the value is to be converted to the decimal
number (DEC) first to be calculated, then, converted to the hexadecimal number (HEX).
<How to rewrite into address>
(a) Change to FACTORY MODE in advance.
(b) Set the counter of FACT DATA on OSM to 99 using (-) (+) buttons, and push SELECT
button.
(c) Press either (
(d) Using (-) (+) buttons rewrite the counter for every hexadecimal data to the one figured
out with the calculation mentioned above (decimal data is to be rewritten following to
hexadecimal one synchronously).
(e) Press EXIT button, then the rewritten data is to be registered.
(f) To disable this rewriting function, turn the power OFF. However, FACTORY MODE is
still alive even if the power was turned off.
NOTE) Be careful NOT to wrongly rewrite the data since this rewriting function is
available for all of the EDID data.
GN1 (GAIN-H) GN2 (GAIN-M)
(9300K) (6500K)
77.0
0.283
x
y 0.297
2
) 105 or more 90 or more
) or ( ) button, and confirm that the following picture appears.
GN3 (GAIN-L) TOLERANCE
(5000K)
66.0 54.0
0.313 0.345
0.329 0.359
75 or more
2 - 14
±1.0
±0.005
±0.005