Tweak screen settings
1. Go to Settings -> Display
2. Change Screen Timeout to Never
3. Set Screensaver -> When to start to setting Never.
4. Disable Auto-rotate Screen setting
5. Go to Settings -> Accessibility -> System Controls
6. Choose Q-Cal Booking in the Boot app menu so it starts automatically after screen starts up.
7. Go to Apps setting section and choose Q-Cal Booking, enable Home App
5. Go to System -> Kiosk Mode -> Application Select and choose Q-Cal booking.
6. Enable auto launch and enable Exit password(set to 8920),
7. Choose Confirm & Apply
8. After a reboot or power failure the screen will now open Q-Cal Booking app automatically.
To exit kiosk mode, swipe up twice from bottom and enter code, remember to reenable kiosk mode.