How does cs Uchiha Itachi turn off the lights?

1, find the position of the power switch. The power switch is located at the bottom or back of the hand, button, switch or thumbwheel.

2. After finding the power switch, make sure that the manual office is closed.

3. When the handheld office supplies power through the power adapter, the plug can be disconnected from the power socket or the power cord of the handheld office itself.