Slider T20 - Family Number Setup; Family Number Status; Family Number Settings; User Profiles Management

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You can increase the speaker volume by turn on this
function
8.2 Family number
8.2.1 status
Open Status or close Status
8.2.2 Number setting
Add to Family number ，Return to the main screen, press
the MI or M2 family to dial phone numbers.
8.3 User Profiles
This phone provides a General mode,silent Mode,
Meeting mode and Outdoor mode.
For each mode, you can Activate, customize or reset
8.3.1 General
8.3.1.1 Activate you can activate the general mode
8.3.1.2 Customize
- Alert type: you can select four ways of Alert: ring only,
vibration only, vibration and ring, vibration then ring.
- Ring type : you can select two ways of ringing: repeat, Beep
once