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This section describes How to use NAV-screen.
Please follow the instruction below.

NAV-Screen is to show your location, surrounding area, and overhead view.
Yellow mark at the center of the screen is your position.
The plane’s bearing is always facing to the top of the screen.

Direction-Gauge
This gauge shows either
1)the plane’s heading which was obtained from Direction Data Source on “Setting” Screen or
2)the Plane’s direction which was obtained from positioning data on GPS.

Altimeter
It is showing the altitude from data on GPS
The info you could obtain from iPhone GPS is not as accurate as it should be.
Terms of unit(Feet or Meter) can be selected from “Altitudeunit”on Setting Screen.

WayPoint Information
The information stated between ▲▼ Mark (three-line) are the info you are to Select.
The first line tells you which WayPoint is selected. The example is selecting the WayPoint2.
The second line tells you the horizontal distance to the waypoint you selected.
The Example is showing that the horizontal distance to WayPoint 2 is 0.4nm.
The third line tells you the sea level altitude of the WayPoint.  The Example is showing the altitude 573.6ft.

Please note that those info are indicated with rad color background
The red color indication tells you “ You wont be able to reach to the WayPoint with current altitude”.
This calculation is based on the current altitude, Sea Elevation of WayPoint and glide ratio.
If you will be able to make it to the WayPoint without any trouble, the background of the screen is gray color.

To select next WayPoint, press “▲”button, and press ▼ for last minute WayPoint
The system automatically select the next Waypoint right before (100m) you approaching the current WayPoint

If your position is within 100m to the WayPoint, they system automatically read the next WayPoint and you won’t be able to make a change-back, so please be careful.

The WayPoint you set up are indicated with “△”mark on the screen and all the flight route are connected with blue line.
Current WayPoint is circled

The dod-line from your plane is the route to the WayPoint you selected.  Even if the WayPoint is out of screen, you will be able to reach to the point by following the dod-line.

MapScale
It displays range on the map.
The Scale of the map on the example is “1.2nm”.  This means that it is 1.2nm from the right edge to the left edge of the screen.
To display the lager area, tap“▲”, and tap“▼” to scale-down.

Gliding range
The dod-lined circle surrounding your plane is the flight range with your current altitude calculated based on the current altitude and glide ratio.
However, this is calculated  with the 0m sea level altitude. So the calculation is not 100% accurate.

compensating compass
When you are off-azimuth, this is how you adjust the compass
If you do triple tap on the screen. the message “Would you like to adjust the azimuth direction” would appear.
You will be able to make an adjustment by tapping “OK”.
Pleae be sure to do the adjustment while you during the straight line flight