Zte verizon Blade VANTAGE 2 User Manual page 77

Set TTY Mode
Your phone is a TTY compatible device. A TTY device can
allow people who have hearing or speech disabilities to
communicate by telephone. Simply connect the TTY
device to the phone's headset jack.
Without a 4G LTE network, you can select a TTY mode for
your phone to work with a TTY device, or turn TTY off.
1. From the home screen, touch
Accessibility > TTY mode.
2. Select one of the following options. Consult your
teletypewriter manufacturer's manual if necessary.

TTY Off: Users who can hear and talk can disable
TTY support.

TTY Full: Users who cannot talk or hear may use
this mode to send and receive text messages
through TTY device.

TTY HCO: Users who can hear, but cannot talk,
may use this mode to listen to conversation of
the other party, and respond via text messages.

TTY VCO: Users who can talk, but cannot hear,
may use this mode to talk through the phone
and receive responses via text messages.
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