... :d, e, f, D, E, F, 34 key:g, h, i, G, H, I, 45 key:j, k, l, J, K, L ... , 56 key:m, n, o, M, N, O, 67 key:p, q ... 2key 3 times, C is ok;Then, press 6key 1time, M is ok;Then, press 6key 2 times, N is okThen ... : the form is H-M, H is hour, M is minute. 24 hoursPrint Speed: H is quick, M is normal, L is slow. M is the recommended ...