5.Use the Navigation Key 
to scroll to a setting, then press the
OK Key 
.
Off/ Every 10 Seconds/ Every 30 Seconds/ Every 60 Seconds
7.3 TTY Mode
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.
1.Press the OK Key 
[MENU].
2.Press the Navigation Key 
twice to scroll to SETTINGS &
TOOLS.
3.Press 
[Call Settings].
4.Press 
[TTY Mode].
An explanation message is displayed.
5.Press the OK Key 
to continue.
6.Use the Navigation Key 
to scroll to a setting, then press the OK Key 
.
TTY Full/ TTY + Talk/ TTY + Hear/ TTY Off
TTY Full:
-Users who cannot talk and hear send and receive a text message through TTY equipment.
TTY + Talk:
-Users who can talk but cannot hear receive a text message and send voice through TTY equipment.
TTY + Hear:
-Users who can hear but cannot talk send a text message and receive voice through TTY equipment.
TTY Off:
-Normal users send and receive without TTY equipment.
Connecting TTY Equipment and a Terminal
1.Connect a TTY cable to TTY connection on the terminal (TTY connection location is the same as a headset jack).
2.Enter the phone menu and set up the desired TTY mode.
3.After setting a TTY mode, check the LCD screen of the phone for the TTY icon.
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