Zte Z718TL User Manual page 74

TTY VCO: Users who can talk, but cannot hear, may use

this mode to talk through the phone and receive
responses via text messages.
Set Hearing Aids
Your phone supports the Hearing Aid Compatibility (HAC)
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.
1. Touch the Home key >
field) > Settings > Call settings.
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.
Set Display Duration
When this feature is enabled, the phone will display the call
duration on the calling screen when a call is ended. You can also
check the call duration in the call history.
1. Touch the Home key >
field) > Settings > Call settings.
2. Check or uncheck Display duration.
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