HTC One M9 - Manual (Page 182)

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. From the Home screen, tap > Settings > 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 mode On/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. From the Home screen, tap > Settings > 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. From the Home screen, tap > Settings > Display & gestures or Display, gestures &
buttons.
2. Tap Screen timeout, and then tap the time before the screen turns off.
Screen brightness
1. From the Home screen, tap > Settings > Display & gestures or Display, gestures &
buttons.
2. Tap Brightness level.
3. With the Automatic brightness option selected, drag the slider to set the maximum
brightness level. This sets a limit on how bright the screen will be when Automatic
brightness is selected.
4. To set the brightness manually, clear the Automatic brightness option, and then drag the
brightness slider to the left to decrease or to the right to increase the screen brightness.
182 Settings and security