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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
original 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
Hercules NVM Address
Setting
NVM_ADC_GAIN_R
NVM_ADC_GAIN_G
NVM_ADC_GAIN_B
SDTV Greyscale settings: Use the SC NVM Editor in SAM to set these values
Scaler NVM Address
Setting
ADC_RED_OFFSET2
ADC_GRN_OFFSET2
ADC_BLU_OFFSET2
ADC_RED_GAIN
ADC_GRN_GAIN
ADC_BLU_GAIN
PC Greyscale settings
Scaler NVM Address
Setting
ADC_RED_OFFSET2
ADC_GRN_OFFSET2
ADC_BLU_OFFSET2
ADC_RED_GAIN
ADC_GRN_GAIN
ADC_BLU_GAIN
HD Greyscale settings
Scaler NVM Address
Setting
ADC_RED_OFFSET2
ADC_GRN_OFFSET2
ADC_BLU_OFFSET2
ADC_RED_GAIN
ADC_GRN_GAIN
ADC_BLU_GAIN
the Hercules NVM
all sets
(decimal value)
006
135
007
185
008
145
in the Scaler NVM
all sets
(decimal value)
338
070
339
070
340
070
341
150
343
150
345
150
all sets
(decimal value)
325
070
326
070
327
070
328
240
330
240
332
240
all sets
(decimal value)
351
064
352
075
353
064
354
180
356
180
358
180
Alignments
LC4.41A AA
8.3.5
Panel Size Settings
The table below shows the NVM settings for panel selection,
based on panel size and manufacturer. Use the SC NVM editor
in the SAM menu to change the panel code at decimal address
320.
Caution:
•
Make sure to choose the right panel, because incorrect
NVM settings may seriously hamper the correct
functioning of the TV set!
•
Always note down the existing NVM settings, before
changing the settings. This will enable you to return to the
original settings, if the new settings turn out to be incorrect.
Table 8-2 Panel size settings
Option table for panel size settings
Manufacturer
SDI (HD)
SDI
SDI (HD)
8.3.6
Sound
•
For NICAM sets: see paragraph 8.3.3.
•
For other sets: No adjustments needed for sound.
8.
EN 71
Size (inch)
Panel code (hex)
42
01
42
02
50
04
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