14 TTY Operation
Using the TTY Device
The Teletypewriter (TTY) is a typewriting device. By connecting the phone to the TTY device, you can use the TTY functions to send/receive messages.
When you use the TTY function, do as follows:
1.Set the phone to the TTY mode and connect the TTY device to the headset jack of the phone.
2.Make or answer calls as normal.
3.When the call is put through, use the TTY device to send or receive the letters.
4.Press 
or select End to end the call.
Setting the TTY Mode
1.On a main menu screen, Select Settings > Phone Settings > TTY Setup.
2.Select the TTY mode, and then press Select or 
to confirm. Voice: The standard voice speaking mode and the listening mode. TTY: Transmit and receive the TTY characters.
VCO: Receive TTY characters but transmit by speaking into the microphone.
HCO: Transmit TTY characters but receive by listening to the earpiece.
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