Zte BLADE VANTAGE User Manual page 82

TTY Off: Users who can hear and talk can disable
u
TTY support.
TTY Full: Users who cannot talk or hear may use
u
this mode to send and receive text messages
through TTY device.
TTY HCO: Users who can hear, but cannot talk,
u
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,
u
may use this mode to talk through the phone and
receive responses via text messages.
Set Hearing Aids
Your phone supports HAC (Hearing Aid Compatibility)
function. When you turn on the hearing aid compatibility
and use a hearing aid with a telecoil to answer the phone,
it will help you hear more clearly during the phone call.
Touch the Home key >
1.
Accessibility.
2. Check Hearing aids to turn on hearing aid
compatibility.
CAUTION:
Do not turn on the Hearing aids option unless you use
a hearing aid with a telecoil. Using this setting without a
hearing aid or with a hearing aid without a telecoil may be
harmful to your hearing.
> > Settings >
80