Changing Your Settings 3453. Use the on-screen keypad to delete the current entry andreplace it with a new one. Tap OK once complete.TTY ModeA TTY (also known as a TDD or Text Telephone) is atelecommunications device that allows people who are deaf, hard ofhearing, or who have speech or language disabilities, tocommunicate by telephone.Your device is compatible with select TTY devices. Please check withthe manufacturer of your TTY device to ensure that it is compatiblewith digital cell phones.Your phone and TTY device will connect via a special cable that plugsinto your phone’s headset jack. If this cable was not provided withyour TTY device, contact your TTY device manufacturer to purchasethe connector cable.1. From the main Call settings page, tap TTY mode.2. Tap TTY Off, TTY Full, TTY HCO, or TTY VCO to activate thefeature, or TTY Off to deactivate the feature. Off is the defaultsetting.DTMF TonesDTMF tones are the sounds you hear when pressing each number atouch-tone phone. The DTMF tones feature allows you to set thelength of time that you hear each tone when tapping a number onthe phone’s dialpad.1. From the Home screen, tap (Phone).2. Press and then tap Call settings ➔ DTMF tones.3. Choose from either Normal or Long.
