Alignments
EN 73LC4.9A AA 8.
8.3.4 ADC Gain and Grey Scale Alignment
The table below shows a number of NVM settings used for
each model of TV set. Be sure to use the correct editor in the
SAM menu (NVM Editor or SC NVM Editor), because the first
one is used for the Hercules NVM, and the second one for the
SCALER (SC) part of the TV set. For further important NVM
settings, see also the other NVM tables elsewhere in this
manual.
Caution:
• Do not change the NVM settings without
understanding the function of each setting, because
incorrect NVM settings may seriously hamper the
correct functioning of the TV set!
• Do not change the Scaler NVM settings, as this will
hamper the DVI functionality of the TV set!
• Always note down the existing NVM settings, before
changing the settings. This will enable you to return to the
orgininal settings, if the new settings turn out to be
incorrect.
Table 8-1 ADC gain and grey scale alignment
SDTV ADC Gain settings: Use the NVM Editor in SAM to set these values in
the Hercules NVM
These models are with ADC &
Columbus 3D Combfilter
Setting
Hercules NVM
Address (decimal
value)
50PF7320 /79 /98
42PF7320 /79 /98
50PF7320/93
42PF7320/93
Settings
Range
(decimal
value)
NVM_ADC_GAIN_R 006 143 143 143 143 075 - 155
NVM_ADC_GAIN_G 007 191 191 191 191 200 - 250
NVM_ADC_GAIN_B 008 143 143 143 143 075 - 155
SDTV Greyscale settings: Use the SC NVM Editor in SAM to set these values
in the Scaler NVM
These models are with ADC &
Columbus 3D Combfilter
Setting
Scaler NVM
Address (decimal
value)
50PF7320 /79 /98
42PF7320 /79 /98
50PF7320/93
42PF7320/93
Settings
Range
(decimal
value)
ADC_RED_OFFSET2 338 080 080 080 080 050 - 110
ADC_GRN_OFFSET2 339 080 080 080 080 050 - 110
ADC_BLU_OFFSET2 340 080 080 080 080 050 - 110
ADC_RED_GAIN 341 154 154 154 154 045 - 095
ADC_GRN_GAIN 343 154 154 154 154 045 - 095
ADC_BLU_GAIN 345 154 154 154 154 045 - 095
PC Greyscale settings
These models are with ADC &
Columbus 3D Combfilter
Setting
Scaler NVM
Address (decimal
value)
50PF7320 /79 /98
42PF7320 /79 /98
50PF7320/93
42PF7320/93
Settings
Range
(decimal
value)
ADC_RED_OFFSET2 325 080 080 080 080 040 - 090
ADC_GRN_OFFSET2 326 080 080 080 080 040 - 090
ADC_BLU_OFFSET2 327 080 080 080 080 040 - 090
ADC_RED_GAIN 328 154 154 154 154 180 - 270
ADC_GRN_GAIN 330 154 154 154 154 180 - 270
ADC_BLU_GAIN 332 154 154 154 154 180 - 270
HD Greyscale settings
These models are with ADC &
Columbus 3D Combfilter
Setting
Scaler NVM
Address (decimal
value)
50PF7320 /79 /98
42PF7320 /79 /98
50PF7320/93
42PF7320/93
Settings
Range
(decimal
value)
ADC_RED_OFFSET2 351 064 064 064 064 050 - 090
ADC_GRN_OFFSET2 352 082 082 082 082 050 - 090
ADC_BLU_OFFSET2 353 064 064 064 064 050 - 090
ADC_RED_GAIN 354 159 159 159 159 120 - 200
ADC_GRN_GAIN 356 144 144 144 144 120 - 200
ADC_BLU_GAIN 358 147 147 147 147 120 - 200
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