Hac Mode; Airplane Mode On/Off - Zte C77 User Manual

C77 User Manual
1. Select Menu→Settings→Security→Change Code from standby mode.
2. When prompted, enter your old lock code.
3. Input the new code (1 to 8 characters).
4. Input the new code again to confirm.
Reset Defaults: This selection restores the default security settings.

HAC Mode

This phone supports HAC (Hearing Aid Compatibility) function. You can turn on and
off the function by this menu. When you turn on the HAC mode and use a hearing aid
with a Telecoil to answer the phone, it will help you hear more clearly while speaking
on the phone.
For more detailed information of HAC, please refer to the section For Your Safety –
Turn on the HAC Setting.

Airplane Mode On/Off

Airplane Mode allows you to use some features of your phone, such as games,
calculator and many others when you are in an airplane or other area where RF
signals may cause interference.
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