In Sansui Hard rock 294-isx, i entered service mode, changed some values in the 6th option like remote operation. previously it was 2 after i changed it into 0. now the sansui remote is not working. can i open service mode without using remote? because to set old value to that remote operation.
please guide me how to restore the value.

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Televison & Video - Sansui - DTV2760 27" TV