After login, press * (star) key to access main menu.
~>You can see there is 5 options. Settings option is for your application settings. ~>Select Settings and pres press OK. ~>You can on/off sound ~>change font size ~>change font ~>change language ~>on/off screen buffer ( available in old version 1.0.5) ~>change connection type ~>change server load/ switch AVACS servers.