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Flymaster GPS M User Manual v. 1.0
Take OFF is the point taken when the Flight Starts. Small course corrections are
sometimes required and these are shown on the GPS M by a fine adjustment indicator in
the form of a small arrow 4. Arrow 4 to the left means the pilot should turn slightly to the
left, and inversely arrow 4 to the right indicates a small adjustment to the right is needed.
When the course is perfect, i.e. less than 1º˙, the GPS M indicates this by showing a large
arrow forward
Thermal Ball
Another useful feature of the Navigation Circle Element is the thermal core ball. This map
corresponds to a black dot which is shown inside the inner navigation wheel (together with
the navigation arrows).During a thermal climb the GPS M keeps track of the strongest climb
values point for each 50m layer. The point of strongest lift is then graphically represented
by the black ball in the inner Navigation Circle, showing where the thermal core is relative
to the pilot's position. The position of the dot (thermal core) is constantly updated as the
pilot moves. When the pilot is over 300m from the thermal core the dot will be at the edge
of the circle. As the pilot moves closer to the thermal core the dot will move towards the
centre.
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