Lenovo S2109A-F ユーザーズマニュアル

Chapter 8: Managing Your Device

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Brightness

Adjust the brightness of the screen.

Wallpaper

Customize the device wallpaper.

Auto-rotate screen

Switch orientation automatically when rotating 
the device.

Sleep

Adjust delay before the screen automatically 
goes off.

Font size

Set the font size.

INTERNAL 
STORAGE

Show total space, currently used by 
applications, and remaining device storage.

SD CARD

Show total and available memory card storage 
and unmount the SD card to safely remove 
the card.

USB STORAGE

Mount USB storage.

View the battery usage on currently running applications and battery 
charging status.

View and control downloaded and currently running services.

Location service

Allow location to be determined by Wi-Fi.

GPS satellites

Enable GPS satellites.

Location & search

Use your location to improve search results 
and other services.

Screen lock

Set the lock screen by sliding the screen or 
with a pattern, PIN, or password.

Owner info

Show owner information on the lock screen.

Encrypt tablet

Require a numeric PIN or password to decrypt 
your tablet each time you power on the device.

Make passwords 
visible

Show passwords as you type.

Device 
administrators

View or deactivate device administrators.

Unknown sources

Allow installation of non-Market applications.

Trusted credentials

Display trusted CA certificates.

Install from SD card Install encrypted certificates from SD card.

Clear credentials

Clear credential storage of all contents and 
reset its password.