> For the complete documentation index, see [llms.txt](https://manuals.syride.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://manuals.syride.com/nav-v3-english-manual/vi.-flight-screens.md).
# VI. Flight screens
1\. Screens #1 to #4 shows the informations you previously choosed. If your device do not receive a GPS signal strong enough, **NO GPS** will appear.
2. Pressing the central button will turn OFF and ON the sound of the vario. This is usefull when you need to concentrate on a transition or when landing.
3. Press the central button on the screen #6 in order to save your current GPS position. The result will show you the distance, the vertical gain from that point and a route indication to return to this saved position.
4. Screen #5 (MAP screen) displays on the whole LCD area. You can see:
* Your current position and heading on the middle of the screen.
* The topography grayscaled (if previously uploaded to the instrument).
* Airspaces (if previously uploaded to the instrument).
* Your GPS trace for the last 10 minutes.
* Waypoints and optimized navigation route (if a route is loaded).
Pressing the middle button changes the zoom level.
