Asus S1 - Manual (Page 38)

38 LED projector E-Manual
Turning off your LED projector
1. Press the power button.
. When the following screen appears, press the power button
again to completely turn off your LED projector.
NOTE: For safety purposes, charging the battery of your LED projector
may not immediately start after the device is powered off. Once the
projector cools off, charging its battery automatically begins.