The Home screen is the main screen for the GX-90. Installed applications are visible on the Home screen.

The Power On/Off button has three functions:
- Press and hold the Power button for three seconds to power on
- Press and hold the Power button for five seconds to power off
- Press the Power button once when 3D-MC is running to populate the 3D-MC main menu
- Press the Power button for three seconds while 3D-MC is running to open the Home screen
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