# Elios 2 Feature details

- [Elios 2 Remote controller stick calibration](/aircraft/elios-2/elios-2-feature-details/elios-2-remote-controller-stick-calibration.md)
- [Elios 2 Downgrade the remote controller firmware](/aircraft/elios-2/elios-2-feature-details/elios-2-downgrade-the-remote-controller-firmware.md)
- [Elios 2 Configure HDMI output for secondary monitor](/aircraft/elios-2/elios-2-feature-details/elios-2-configure-hdmi-output-for-secondary-monitor.md)
- [Elios 2 LED patterns](/aircraft/elios-2/elios-2-feature-details/elios-2-led-patterns.md)
- [Elios 2 How to test the transmission system](/aircraft/elios-2/elios-2-feature-details/elios-2-how-to-test-the-transmission-system.md)
- [Elios 2 When to use the ATTI flight mode](/aircraft/elios-2/elios-2-feature-details/elios-2-when-to-use-the-atti-flight-mode.md)