//UďvZ	
	data = REG_CUR_U;		//Udذ
	data += igOfsetIU;		//̾ĕ␳
	data *= igGainIU;		//޲ݕ␳
	data *= 4;
	data /= 65536;
	igCurU = data;		//Udi␳j
//VďvZ	
	data = REG_CUR_V; 		//Vdذ
	data += igOfsetIV; 	//̾ĕ␳
	data *= igGainIV; 		//޲ݕ␳
	data *= 4;
	data /= 65536;
	igCurV = data; 		//Vdi␳j
//WďvZ
	data = igCurU;
	data += igCurV;
	igCurW = data * -1;	//W = -(U+V)
