FUTABA 9ZAP - PART2, Руководство пользователя

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Sailplane Section
BUTTERFLY MIXING (BFY)—4-S/5-S
Butterfly mixing, sometimes canned "crow"
mixing, is a way to get effective glide path control
without using spoilers. The butterfly action simul-
taneously raises the left and right ailerons and
lowers the speed flaps (brake flaps for 5-S).
The total travel can be adjusted by CH6 vol-
ume. The butterfly neutral position can be offset
from the center position. Butterfly mixing can be
turned on and off during flight by setting a switch.
If a switch is not set, mixing remains on all the
time.
5-S BUTTERFLY OPERATION
4-S BUTTERFLY OPERATION
Setting Up Butterfly Mixing
Butterfly is often controlled with the throttle stick,
but at initiation the control is assigned to the left knob
V R ( A ) . The FNC command in the Model menu may be
used to change the assignment. In that menu, select SF2
with the J key, then press CTR. Select the throttle stick
by choosing J3 with the K key (null the CTR for airbrake
ABK if you want). At this time, be sure that both
ailerons and speed flaps (or brake flaps for 5-S) move the
proper directions. The default speed flap control is the
left slider. If you use speed flap-aileron mixing, this will
become the camber control.
Activation of command
In the Condition Menu, press the BFY key to get the
BUTTERFLY menu, as shown in the figure.
Mode Setting
Press the A key to activate mixing, then press the
ACT or INH key ( F or G ) to activate or inhibit the
butterfly function. When you activate, you will notice
two things: first, all four wing servos move, unless the
throttle stick happens to be at center. Second, the Alarm
light begins flashing. The alarm light is on whenever BFY
is active. This is OK, except the transmitter will beep if it
is on when first powered up. This is annoying, because
you can't stop it!
In just a moment, you will set the offset position for
the butterfly stick. The alarm light and beeping at startup
may be taken care of two ways: either an activation
switch may be defined, or the on position may be set
slightly away from the zero-butterfly position. In the
latter case, the function is off until the stick is moved
slightly.
Sailplane Section, Page 140