Lenovo IdeaTab A2109A-F User Manual page 16

Display
Display settings include: Brightness, Wallpaper, Auto-rotate screen, Sleep, Font size, and Enable Balanced
Power.
Brightness: You can manually adjust the brightness, or select Automatic brightness, which allows your IdeaTab to
adjust screen brightness automatically according to ambient light.
Wallpaper: You can select any picture from Gallery, Live Wallpapers, or Wallpapers as your wallpaper.
Sleep: This option allows you to select how long your IdeaTab's screen will remain illuminated without any activity
before it is automatically locked to save power. You can set the time to: 15 seconds, 30 seconds, 1 minute, 2
minutes, 5 minutes, 10 minutes, or 30 minutes.
Font size: This option allows you to select the font size for the text displayed on the screen. You can set the font
size to: Small, Normal, Large, or Extra large.
Storage
This option allows you to view internal storage, SD card storage, and USB device storage.
Nominal capacity calculation method：1GB=1,000MB=1,000,000kB=1,000,000,000 bytes
Operating system calculation method：1GB=1,024MB=1,048,576kB=1,073,741,824 bytes
The system itself occupies some space; therefore, the actual space available will be less than what is calculated.
Battery
Select this option to check battery usage data, remaining power status, and the history details of battery usage.
Apps
With this option, you can easily manage the selected applications.
You can also filter any running applications or applications provided by third-party software developers in the
applications list.
After selecting an application, you will then be able to see its details and related information. You will also be able to
perform functions such as: Force stop, Disable, Clear cache, and Clear data.