HTC EVO 3D User Manual - Page 70
Adjusting the Display Brightness and Screen On-Time, Managing Your Device’s Wireless Functions - battery life
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Adjusting the Display Brightness and Screen On-Time ⅷ Press > , tap Settings > Display > Brightness, and then modify the backlight setting as desired. For more information, see "Display Settings" on page 44. - or - Add the Power Control widget to the home screen to easily adjust the screen brightness. Press and tap > Widget > Power Control. ⅷ Decrease the time before the screen turns off when the device is idle. Press > , tap Settings > Display > Screen timeout, and then select a timeout value. ⅷ To turn off the screen, press will continue to function. . The device Managing Your Device's Wireless Functions To save battery life, you can disable the 4G, Bluetooth, GPS, Sprint Hotspot, and Wi-Fi functions of the device when not in use. To change wireless settings: ᮣ Press > and then tap Settings > Wireless & networks. Disable any wireless functions (for example, Bluetooth or Wi-Fi) that are not in use. To change GPS settings: ᮣ Press > and then tap Settings > Location. Disable the GPS by unchecking Use GPS satellites. To add a wireless function widget to your Home screen: ᮣ Press and tap > Widget > Settings. Tap the widget you would like to add (for example, 4G, Bluetooth, GPS, Sprint Hotspot, or Wi-Fi). 58 2B. Settings