Recent content by Snowy24

Can anybody explain why, when I enter the 3 digit groups of numbers associated with the keys, the screen flashes on each group entry and the equivalent hex code appears, but on entering the final 3 digit set, the whole system freezes and the only operational button on the handset is "OFF" I am...

Can anybody explain why, when I enter the 3 digit groups of numbers associated with the keys, the screen flashes on each group entry and the equivalent hex code appears, but on entering the final 3 digit set, the whole system freezes and the only operational button on the handset is "OFF" I am...