Sony D6633 manual Screen lock, Smart backlight control

To adjust the idle time before the screen turns off

1 From your Home screen, tap .

2Find and tap Settings > Display > Sleep.

3 Select an option.

To turn off the screen quickly, briefly press the power key .

Smart backlight control

The smart backlight control keeps the screen on as long as the device is held in your hand. Once you put down the device, the screen turns off according to your sleep setting.

To turn on the Smart backlight control function

1 From your Home screen, tap .

2Find and tap Settings > Display > Smart backlight control.

3 Drag the slider beside Smart backlight control to the right.

Screen lock

There are several ways to lock the screen. The security level of each lock type is listed below in order of weakest to strongest:

•Swipe – no protection, but you have quick access to the Home screen

•Bluetooth Unlock – unlocks your device by using paired Bluetooth devices

•Face Unlock – unlocks your device when you look at it

•Unlock pattern – draw a simple pattern with your finger to unlock your device

•Unlock PIN – enter a numeric PIN of at least four digits to unlock your device

•Unlock password – enter an alpha-numeric password to unlock your device

It is very important that you remember your screen unlock pattern, PIN or password. If you forget this information, it may not be possible to restore important data such as contacts and messages.

To change screen lock type

1 From your Home screen, tap .

2Find and tap Settings > Security > Screen lock.

3Follow the instructions in your device and select another screen lock type.

To unlock the screen using the Bluetooth® unlock feature

Make sure that your device and other Bluetooth® devices are paired before you use the Bluetooth® unlock feature. For more information about pairing, see To pair your device with another Bluetooth® device on page 112.

1From your Home screen, tap , then find and tap Settings > Security.

2 Tap Screen lock > Bluetooth unlock.

3 Tap Continue and select the device that you want to use to unlock the screen, then tap Continue.

4 Choose an option as the backup lock to unlock the screen when no Bluetooth® devices are connected.

5 In other Bluetooth® devices, find and tap the name of your device under

Settings > Bluetooth > Paired devices. When Connected appears on the Bluetooth® devices, press the power key on your device immediately.

If your device is disconnected from other Bluetooth® devices, you need to unlock the screen using a PIN or a Pattern.

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