Sony KD-43X7 G Series Service Manual page 136

4.14 ATMOS CEC Disable
1) Go to "ATMOS CEC DISABLE" and Press "" or "" button to select '0' or 'A'
2) After select the option that you wish, press "Home" to confirm the selection.
ATMOS_CEC_DISABLE (EEPROM 0x30A0)
Data : [0/A] Default : 0
Purpose : Data [A] is able to skip Atmos judgment
CEC<Report Short Audio Descriptor> that comes
from the amplifier, and set Atmos EDID as the
service c/m to an amplifier that supports Atmos but it
reply NO Atmos.
Remarks :
1) This data is not changed by software update or
AC off/on, only change from service menu.
2) Need to turn AC off/on after change setting in
order algorithm to take effect.
Option Execution Effect
The TV checks whether
HDMI1(ARC) is connected to an
0 (default) amplifier that support ARC &
Atmos or not, and sets either
Atmos EDID/ Non Atmos EDID.
The TV skip Atmos checking
when HDMI1(ARC) is connected
A to an amplifier that support ARC
and set Atmos EDID even when
amplifier doesn't support Atmos.
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