SettingsSection 2C. Settings 61To activate a callback number:1. Highlight and press > Settings/Tools >Settings > Messages > Callback Number.2. Highlight None, , or Other andpress .To set the draft alert:1. Highlight and press > Settings/Tools >Settings > Messages > Draft Alert.2. Highlight On or Off and press .Airplane ModeAirplane Mode allows you to use many of your phone’sfeatures, such as Games, Notepad, and Voice Memos,when you are in an airplane or in any other area wheremaking or receiving calls or data is prohibited. Whenyou set your phone to Airplane Mode, it cannot send orreceive any calls or access online information.1. Highlight and press > Settings/Tools >Settings > More... > Airplane Mode.2. Read the disclaimer and press .3. Highlight On, Off, or On PowerUp and press .While in Airplane Mode, your phone’s standby screenwill display “Phone off.”TTY UseA TTY (teletypewriter, also known as a TDD or TextTelephone) is a telecommunications device that allowspeople who are deaf, hard of hearing, or who havespeech or language disabilities, to communicate bytelephone.Your phone is compatible with select TTY devices.Please check with the manufacturer of your TTY deviceto ensure that it supports digital wireless transmission.Your phone and TTY device will connect via a specialcable that plugs into your phone’s headset jack. If thiscable was not provided with your TTY device, contactyour TTY device manufacturer to purchase the cable.To access the state Telecommunications Relay Service(TRS) for assistance with TTY calls: Dial . Then provide thestate TRS with this number: 888-308-4988.Boost M540.book Page 61 Friday, March 26, 2010 12:53 PM