Tty Operation; Using Tty; Setting The Tty Mode - Huawei U2800A User Manual

12 TTY Operation

Using TTY

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 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 text.
4. Press End Key to end the call.

Setting the TTY Mode

1. Select Menu
Settings.
2. Select a TTY Mode:
• TTY OFF: Standard voice speaking mode
and the listening mode.
• TTY FULL: Transmit and receive TTY
characters.
• TTY VCO: Receive TTY characters but
transmit by speaking into the
microphone.
• TTY HCO: Transmit TTY characters but
receive by listening to the earpiece.
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> Settings > Phone > TTY