Samsung SCH U520 User Manual (ENGLISH) - Page 213
DTMF Tones, Phone Settings, Airplane Mode
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Section 13 Phone Settings ⅷ Data Off - No incoming data calls accepted. ⅷ Data for Next Call - Wait for data call for the next 10 minutes. ⅷ Data until Powered Off - Data calls only, no voice calls accepted, until you power the phone off and on again. 3. Use the Up and Down navigation keys to highlight the data setting of your choice, then press OK . Your setting is saved. DTMF Tones Use this menu to set DTMF settings to Normal, or Long. 1. In standby mode, press the Menu (left) soft key ( ), then press (for Settings), and (for Call Settings), and for DTMF Tones. The following options appear in the display: ⅷ Normal - Select for a normal tone ⅷ Long - Select for an extended tone 2. Use the Up and Down navigation keys to highlight the DTMF Tones setting of your choice, then press OK . Your setting is saved. Phone Settings Airplane Mode When set to On, Airplane Mode disables all radio functions of your phone. This prevents you from receiving or making calls (except emergency calls), but allows you to use other features (such as the camera and the Tools) safely in sensitive environments, such as on board an aircraft. Section 13: Changing Your Settings 213