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iv. Adjustment Location
A. Option Code
The option code listed below is for selection of different TV systems, features and functions, the code is preset in
factory, in case of changing the EEPROM, the option code will not be the same as before. In this case, it is necessary
to adjust the option code again. How to set the option code by hand is described in "method to enter into SERVICE
MENU and ADJUST MENU". Please refer to "IV. Electrical Adjustment".
The option setup is as follows: OPTION MENU
Every digit represents the lower 3 bits of a nibble of 4 bytes in EEPROM, and each of the bits
stands for an option function, the option bits listed below:
0123456789
0123456789
BIT7 BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 BIT0
BYTE1 NU OQSS OSVD OAV2 NU OCHIL OWOO OUHF
BYTE2 NU OSYS1 OSYS2 OSYS3 NU OTUN1 OTUN2 OTUN3
BYTE3 NU OBL OSND1 OSNDB NU OSNDI OSNDD OSNDM
BYTE4 NU ORUSS OBB OTVO NU OCHIT OCHIS OENG
BYTE5 NU OMSIF OBGSIF OISIF NU ODKSIF OCHAN2 OCHAN1
VII. EEPROM (IC602) setting
Model Option code
21W3BN37/21A9BN34 5463122106
DIGIT 1:
1 OQSS 0 = QSS OFF
1 = QSS ON
2/3 MODE OSVD OAV2
TV/AV 0 0
TV/AV1/AV2 0 1
TV/AV1/AV2/SVD 1 1
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