Samsung SPH-a640 Series - Bluetooth; Voice Service; Security; Airplane Mode

119 Settings
3. Press for Sounds.
4. Press for TTS.
5. Press for TTS Mode.
6. Select Enable or Disable and press to save and exit.
To adjust TTS volume:
1. Press for Menu.
2. Press for Settings.
3. Press for Sounds.
4. Press for TTS.
5. Press for TTS Volume.
6. Scroll left to decrease the volume or right to increase the
volume.
7. When finished, press to save and exit.
Bluetooth
For more information, see "Bluetooth" on page 133.
Voice Service
For more information, see "Customizing Voice Dial" on page 84.
Security
For more information, see "Phone Security" on page 128.
Airplane Mode
Airplane Mode allows you to use many of your phone’s features, such
as Games, Notepad, Voice Memos, etc., when you are in an airplane
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