Palm PRE 2 User Manual page 81

Turn TTY/TDD on/off
A TTY (also known as 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 phone
is compatible with select TTY devices.
You can connect a TTY/TDD machine to your phone using the headset
jack. Check with the manufacturer of your TTY device for connectivity
information. Be sure that the TTY device supports digital wireless
transmission.
When TTY/TDD is turned on, the
1 Connect a TTY/TDD device to your phone using the headset jack.
2 Open Phone .
3 Open the application menu and tap
4 In TTY/TDD, tap On or Off.
icon appears in the title bar.
Preferences & Accounts.
Chapter 6 : Phone 81