The screen on your webOS device is the primary way for you to interact with your device, but it's also a big battery drainer. You can easily adjust the brightness of your device, but you can also set the length of time that it will take before webOS automatically turns off the screen. If you go into the Screen & Lock app, you can set the "Turn off after" option to 30 seconds or 1, 2 or 3 minutes on webOS phones, or 1, 2, 5 or 10 minutes on the TouchPad. There are also patches available in Preware that will give you additional screen timeout options.
You want to find the timeout setting that works best for you. Adjusting the setting for too long of a time will potentially cause the screen to be on longer than necessary, thereby draining the battery faster than you needed and may even cause unintentional screen taps. But selecting too short of a setting may cause the screen to turn off before you want it to, such as when you are reading a long article or while thinking of what to write in a document or email. Regardless of the setting, you will notice that the screen will dim first after a short period of time, giving you a little warning before the screen will turn off all the way. All you need to do is tap the screen or anywhere in the gesture area of phones to reset the clock for the screen timeout.
Also, note that some apps may override your screen timeout setting. If you are watching a video or playing a PDK game, the screen may stay on indefinitely. You will need to manually press the power button to shut off the screen in these situations, or minimize the app to card mode to allow the auto-shut off to occur.
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