Samsung SPH-A640ZKAAFT - Manual (Page 14)

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On Off
3: Connect
On Off
4: Sig. Fade Tone
On Off
5: Power On/Off
On Off
4: Key Tone
1: Tone Type
DTMF Xylophone Simple
2: Tone Level
keytone Off Level 1 – 8
3: Tone Length
Short Long
5: TTS
1: TTS Mode
Enable Disable
2: TTS Volume
Silence All Level 1 – 8
3: Bluetooth
1: Enable
On Off
2: Visibility
Always visible Visible for 3min Hidden
3: Device Name
4: Device Info
4: Data Services
1: Enable Data Services