- SS-HQ1 Application Notes -
Ver.1.0.0 January 7, 2005
100
To change the gamma curve, select the setting parameter in
“Gamma curve parameters
(luminance signal)” and set the gamma area (nonlinear) and knee (KNEE) area (linear). Details on each
parameter are discussed later.
Table 10.4-2 Gamma Curve Parameter (Luminance Signal)
Type
Address
Parameter
Name
Description
Setting
Value
CAT2_Byte7_bit2-4 YGAMSEL
Y (luminance signal)
variable gamma selection
0[h] to 7[h]
CAT2_Byte7_bit5-7 YKNEESEL
Y (luminance signal)
variable knee selection
0[h] to 7[h]
CAT2_Byte6_bit7 YGAMSON
Y gamma curve
correction compression
function for low
luminance areas
0[h]: OFF
1[h]: ON
Parameters for User
Gamma 0, which is
enabled when
GAMSEL=0[h]
Saved to EEPROM
for use.
CAT2_Byte7_bit0 YGAMSLV
Y gamma curve
correction compression
level selection for low
luminance areas
0[h]: Strong
1[h]: Weak
CAT13_Byte52_bit2-4
UYGAMSEL
Y (luminance signal)
variable gamma selection
0[h] to 7[h]
CAT13_Byte52_bit5-7
UYKNEESEL
Y (luminance signal)
variable knee selection
0[h] to 7[h]
CAT13_Byte54_bit1 UYGAMSON
Y gamma curve
correction compression
function for low
luminance areas
0[h]: OFF
1[h]: ON
Parameters for User
Gamma 1, which is
enabled when
GAMSEL=1[h]
Can be updated
immediately through
serial
communication.
(Can also be saved
to EEPROM.)
CAT13_Byte52_bit0 UYGAMSLV
Y gamma curve
correction compression
level selection for low
luminance areas
0[h]: Strong
1[h]: Weak
Details on each setting value are discussed later.