Sony SGPT21 - Manual (Page 64)

About the Notification Panel
The notification panel is displayed when you tap the digital clock on the bottom right of the screen. Tap the icon
on the notification panel or the panel itself to check the status or messages.
When you tap the digital clock while displaying the notification panel, the control panel appears. You can control
the following items on the control panel.
Airplane mode: Turns on/off the airplane mode.
Wi-Fi: Displays the Wi-Fi setting screen.
Auto-rotate screen: Locks the screen so it does not rotate automatically.
Luminance: Adjusts the screen luminance.
Notifications: Turns on/off the notifications.
Settings: Displays the setting screen.