S e t t i n g s36Charger — To turn the lights on permanently, select Charger. To trun the lights onfor 15 seconds after a keypress, select Automatic.Hearing aid > T-coil hearing aid mode — To optimize the sound quality when usinga t-coil hearing aid. is shown when the T-coil hearing aid mode is active.Connect to a TTY deviceYour phone uses the HDA-12 TTY phone adapter to connect to a TTY device.1. Connect the HDA-12 phone adapter to the headset connector on your phone.2. Select Menu > Settings > Accessories > Text phone > Use TTY > Yes.Note: If the HDA-12 phone adapter is not connected, the Text phonemenu will not be displayed. The TTY icon is displayed on theHome screen when the phone adapter is connected.3. Connect the TTY device cable to the HDA-12 phone adapter.Note: The TTY device cable is supplied with the TTY machine by theTTY manufacturer.Important: You must connect the HDA-12 phone adapter to the phonebefore connecting the TTY device cable to the adapter. If you connect theHDA-12 phone adapter to the TTY device cable, and then to your phone,the message Accessory not supported is displayed.■ ConfigurationYou can configure your device with settings required for certain services tofunction correctly. Your service provider may also send you these settings.