... number. (123 On the LCD, meaning number)3. Press 1key 1 time, 1 is ok;Then, press 9key 1 time ... *, then menu key, get the symbol of. Then, press 1key 1 time, 1 is okThen, press 6key 1 time, 6 ... press *, then menu key, get the symbol of. Then, press 1key 1 time, 1 is okThen, press *, then menu key, get ... the symbol of. Then, press 1key 1 time, 1 is okThen, press 0key 1 time1, 0 ...