... , k, l, J, K, L, 56 key:m, n, o, M, N, O, 67 key:p, q, r, s, P, ... * key: special symbol0 key:space, 0# key: switch between letters and numbersDel: delete the last letter or numberReject: Reject orderAccept: ... 1time, M is ok;Then, press 6key 2 times, N is okThen, press 3key 2 times, E is okThen, ... okThen, press 6key 2 times, N is ok4. Press Back key to save the settings and exitNote: if wrong input, ...