Asus P526 - Manual (Page 107)

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You can set the wake-up actions whenever your device is in sleep mode.
To set the wake-up action:
1. Tap Start > Settings > Personal > Wakeup source icon.
2. Select from the available wake-up actions.
Tap Select All to select all actions or tap Select None to deselect all available actions.
3. Tap when finished.
Wake-up setting