Palm 650 - Manual (Page 188)

176 Section 3A: Sprint PCS Service Features—The Basics
TTY Use With Sprint PCS Service
A TTY (also known as a TDD or Text Telephone), is a telecommunications device
that allows people who are deaf or hard of hearing, or who have speech or
language disabilities, to communicate by telephone.
Your device is compatible with select TTY devices. You can connect a TTY/TDD
machine, a headset, or handsfree kit to your device through the headset jack
while this mode is enabled. Please check with the manufacturer of your TTY
device for connectivity information and to ensure that the TTY device supports
digital wireless transmission.
When establishing your PCS Service, please call Sprint Customer Service via the
state Telecommunications Relay Service (TRS) by first dialing
, and
then pressing Phone/Send . Then provide the state TRS with this number:
866-727-4889.
To turn TTY mode on or off:
1. Press Phone/Send .
2. Open the menus .
3. Select Options, and then select Phone Preferences.
4. Select the TTY Mode pick list and select one of the following modes:
Ⅲ Default Mode sends and receives text.
Ⅲ VCO Mode sends voice and receives text.
Ⅲ HCO Mode sends text and receives voice.
Ⅲ Off disables TTY mode and sends and receives voice.