LG Vu User Manual page 88

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Settings
TTY
Allows you to attach a TTY device enabling you to communicate with parties
also using a TTY device.
A phone with TTY support is able to translate typed characters to voice. Voice
can also be translated into characters and then displayed on the TTY.
TTY mode (Tele Type writer)
TTY modes are as follows :
Menu User
For hearing- /
TTY Full speech-
impaired
TTY+TA For hearing-
LK impaired
TTY+HE For speech-
AR impaired
1. TTY Full:
- Users who cannot talk and hear send and receive a text message through
TTY equipment.
2. TTY Talk:
- Users who can talk but cannot hear receive a text message and send voice
messages through TTY equipment.
3. TTY Hear:
- Users who can hear but cannot talk send a text message and receive voice
messages through TTY equipment.
4. TTY Off:
- Normal users send and receive without TTY equipment.
Transmission/
Feature
Receiving Mode
text message
transmission,
text message reception
voice transmission,
can talk text message recep-
tion
text message
audible transmission,
voice reception
When making
communications with a
normal terminal
operator required
operator required
operator required