65| USER MANUAL
FLIGHT CONTROLLER MODES
ALTA has three primary flight control modes: Manual Mode, Height Mode, and
Position Mode. They are selected with the Mode Switch
CAUTION
Always neutralize control inputs when
switching between control modes.
MANUAL MODE
In Manual Mode, ALTA will only stabilize its attitude. At neutral control input (middle
pitch and roll stick position), ALTA will attempt to remain level. Throttle control is
direct.
HEIGHT MODE
Height Mode changes the throttle stick behavior to command climb and descent
rates. The higher the throttle stick position, the faster ALTA will climb. Conversely,
the lower the throttle stick position, the faster ALTA will descend.
When the throttle stick is centered, ALTA will enter Height Hold. In Height Hold,
ALTA will maintain a target altitude and try to correct for drift. If a disturbance
moves ALTA away from this target altitude, ALTA will climb or descend to return to
the target altitude.
POSITION MODE
Position Mode changes the pitch/roll stick behavior to command ground speeds.
Pitch and roll stick deflection will command fore/ aft and left/right ground speeds
respectively. Controlling altitude in Position Mode is the same as in Height Mode.
With pitch and roll controls centered, ALTA will enter Position Hold. In Position
Hold, ALTA will maintain its position over a given point on the ground and correct for
disturbances.
Position Mode requires a strong GPS signal. If a weak signal is present, ALTA will not
enter Position Mode, and if the GPS signal degrades while in Position Mode, ALTA
will automatically revert to Manual Mode.
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