LG Electronics CU400 manual Hearing Aid Menu, Send Dtmf Tones Menu, Lock Handset Menu

Settings

Connecting TTY Equipment and a Terminal

1.Connect a TTY cable the TTY connection on the terminal. (the TTY connection location is the same as a hands-free ear socket)

2.Enter the phone menu and set up the desired TTY mode. (For a TTY mode, see below)

3.After setting a TTY mode, check the LCD screen of the phone for the TTY icon.

4.Connect the TTY equipment to the power source and turn it on.

5.Make a phone connection to the desired number.

6.When a connection is made, use the TTY equipment to type in and send a text message or send a voice message.

7.The voice or text message from the receiver end appears on the TTY equipment display.

Hearing Aid (Menu 9.5.9)

If you select On, users having hearing aid with T-Coil will have better quality of sound.

Send DTMF Tones (Menu 9.5.0)

You can send the DTMF (dual tone multi-frequency) tones of the number on the display during a call.

This option is helpful for entering a password or account number when you call an automated system, like a banking service.

Security Menu 9.6

Various codes and passwords are used to protect the features and settings of your phone. They are described in the following sections.

Lock Handset (Menu 9.6.1)

You can use a security code to avoid unauthorized use of the phone.

If you set phone lock to When Power On, the phone will request a security code whenever you switch the phone on. If you set the phone lock to When SmartChip Changed, your phone will request a security code only when you change your SmartChip. If you set the phone lock to Immediately, your phone will lock immediately.

78