Experienced pilots may feel flying an airplane with AFS a bit
awkward. The reason is that experienced pilots usually fly
airplanes with neutral stability (or close to neutral). During
flight they bank or pitch their airplanes to different attitudes
and then they release stick pressure for the airplane to
remain in the attitude they put it into. Your NexSTAR Select
with AFS wants to fly straight and level, so in order to keep
the airplane in a bank or in a pitch attitude the stick needs to
be held in a given position. Otherwise, the NexSTAR will try
to go back to level. As the gain is decreased, this feeling will
also decrease. Because of this, it is recommended that your
flight instructor reads this section of the manual. Also, note
that the AFS module offers stick-operation priority. That is,
when the sticks are operated, the AFS sensitivity decreases
accordingly as they have priority in controlling your airplane's
servos. The sticks always have control priority.
Because of the constant corrections the AFS tries to make, the
receiver batteries will discharge faster than in an airplane
without AFS. It is important to check your batteries' voltage
before every flight and to recharge them if necessary. As a rule
of thumb and after many hours of testing our prototypes were
never flown with a receiver battery voltage less than 5.0V.
Some radio manufacturers recommend a cut off voltage of
4.8V, but remember that the AFS is making your servos draw
current from your battery much more often than on a regular
radio system. It is always better to play it safe and recharge.
Use a Hobbico Voltmeter (HCAP0356) to check the battery
voltage before every flight.
After connecting the AFS sensor to its module and setting
its gain, the AFS will be ready for a short test. This test is to
ensure that the unit is making corrections in the adequate
direction. It is very important that you perform this test
before your first flight and after modifying any setting in the
AFS module. There are two ways of performing this test.
Perform the one you prefer.
Indoor test: For this test you will need a flashlight.
1. Turn on the transmitter and then the receiver.
❏
2. Point the flashlight beam toward the front of the AFS
sensor. The elevator should move down.
❏
3. Point the flashlight beam toward the back side of the
AFS sensor. The elevator should move up.
ELEVATOR UP
ELEVATOR UP
ELEVATOR DOWN
ELEVATOR DOWN
17
Summary of Contents for Nexstar select
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