Sprint Nextel 755P - Manual (Page 114)

108 Safety
Selecting a TTY Setting on your Device
1. Make sure your phone is turned on (see “Turning Your Device’s Phone On and Off” on
page 17).
2. Press Phone .
3. Press Menu .
4. Select Options and then select Phone Preferences.
5. Check the TTY/TDD pick list and select one of the following:
Ⅲ Default Mode sends and receives text.
Ⅲ
VCO Mode (Voice Carry Over) sends voice and receives text.
Ⅲ
HCO Mode (Hearing Carry Over) sends text and receives voice.
6. Select OK.