38Section 32. Use the down navigation key to highlight Systemand press the key. System Select is highlighted.3. Press the key. Use the up or down navigation keysto choose the setting you want, and press the key.TTYYour phone is fully TTY compatible. Connect the TTYequipment to the headset jack, which is located on theleft side of the phone above the TransFlash opening.Before you can use your phone with a TTY device,you’ll need to enable TTY functions in the phone.1. Press the Menu key. Use the right navigation key tohighlight Settings & Tools.2. Use the down navigation key to highlight CallSettings and press the key.3. Press TTY Mode and press the key. The TTYMode screen displays.4. User the up or down navigation keys to choose from thefollowing:• TTY Full• TTY + TALK• TTY + HEAR• TTY Off5. Press the key to make your selection. The TTYMode Set screen displays.Voice SignalVoice Signal is advanced speech recognition softwarethat can be used to activate a wide-variety of functions