Scheduling When To Turn Data Connection Off; Automatic Screen Rotation; Setting When To Turn Off The Screen - HTC Desire 820 User Manual

153 Settings and security
Calendar events that have Do not disturb enabled will also be listed on the Do
not disturb schedule screen.

Scheduling when to turn data connection off

To help conserve power and data usage, you can set a time period when the data
connection will automatically turn off during low peak times.
This takes effect after the screen has been off for 15 minutes and there's no network
activity (no downloads, streaming, or data usage).
1. Go to Settings, and then tap Power.
2. Tap Sleep mode.
3. To manually change the settings, clear Learn sleep time automatically if it's
selected.
4. Under Sleep time, choose the start and end time when data connection is
disabled.
5. Tap the Sleep modeOn/Off switch to turn it on.
The data connection resumes when you switch the screen back on.

Automatic screen rotation

Automatic rotation is not supported in all applications.
1. Go to Settings, and then tap Display & gestures or Display, gestures & buttons.
2. Select or clear the Auto-rotate screen option to turn it on or off.

Setting when to turn off the screen

After a period of inactivity, the screen turns off to conserve battery power.
You can set the idle time before the screen turns off.
1. Go to Settings, and then tap Display & gestures or Display, gestures & buttons.
2. Tap Screen timeout, and then tap the time before the screen turns off.