Security - Zte C77 User Manual

C77 User Manual
5. Connect the TTY equipment to the power source and turn it on.
6. Make a phone connection to the desired number.
7. When a connection is made, use the TTY equipment to send a text message, or
speak (for TTY+Talk mode).
8. The voice or text message from the other party will be heard or displayed on the
TTY equipment, depending on the TTY mode selected.

Security

The security menu allows you to lock your phone electronically. To access the
Security menu, select Menu→Settings→Security from standby mode.
Note: You will need to enter the phone lock code to enter this menu. The default lock
code is 0000. Once you have activated your handset, the lock code will be the last 4
digits of your phone number.
The following options are available:
Lock Mode: Choose between Unlock, Lock, and On Power Up. In Lock mode, the
phone is only able to receive calls or make emergency calls. The On Power-Up setting
will automatically lock your phone when it is powered on.
Change Code: This menu allows you to change the phone's lock pass code. To
change your code:
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