[DV M31] What are the conditions that I can use "White Balance"?

C1420, DC E40, E1220T, E1040, DC S40, DC C62, DC C60, DC C51, DC E30, DC E41, DC E300, DC C520, DC P500, DC C50, DC E600, DC E63+, C1480, E1460, T1460, M11, E1480, W1240, S1420, M31, C1460, C1430, DC E521, DC E520+, DC C800, DC C420, DC C530, DC C630, C1030 ECO, C1035, C1230, E1280, T1260, E1260, E1020, E1230, DSC E1030 ECO, E1035, C1020, C1220, E1220, DC X800, DC C740S, DC T850, DC E820, DC X735, E1465, P1410, S1430, S1410, M23, W1220, M21, E1240, C1250, C1255, E1250, S21, S11, E1420, E1430, C1450, DC T800, DC C740, DC C540, DC E720, DC L1050, DC L1020, DC C700, DC X720, DC C750, DC C850, DC E800, M1, DC E1050, DC E1050T, DC C1060, DC E310, DC X710, DC C610, DC E610, DC C640, DC C1050, DC1000, DC T700, DC P860, DC E605, DC X725, DC3410, DC S30, DC X835, DC C740I, DC E1000, DC C840, DC E510, DC E520, DC X600, DC C500, DC E53+, DC1500, DC2300, DC4500, DC1016, DC2410, E1030, DC2110, DC3310, DC1300, M22, M25, LT100, AE100, G1, GH680, GH680F, GH688, GH688F, G2F