EC_SB_REG_CONST__A
status = Write16(state, EC_SB_REG_CONST__A, EC_SB_REG_CONST_64QAM, 0x0000);
status = Write16(state, EC_SB_REG_CONST__A, EC_SB_REG_CONST_QPSK, 0x0000);
status = Write16(state, EC_SB_REG_CONST__A, EC_SB_REG_CONST_16QAM, 0x0000);