Futaba FX-40 - Manual (Page 64)

64 <Linkage Menu>
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Fail Safe
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(The display screen is an example. The screen depends on the model type.)
The Failsafe function may be used to set up positions
that the servos move to in the case of radio interference.
This function only works with G3 or PCM receivers
(FM receivers do not have failsafe capability).
When the receiver battery voltage drops, the servo
can be moved to a preset position. (Battery fail safe
function) A battery fail safe function reset switch can be
set. (Initial setting: Throttle stick maximum slow side)
You may set either of two positions for each
channel: Hold, where the servo maintains its last
commanded position, or Failsafe, where each servo
moves to a predetermined position. You may choose
either mode for each channel.
The FX-40 system also provides you with
an advanced battery monitoring function that
warns you when the receiver battery has only a
little power remaining. In this case, each servo is
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Fail safe setting procedure
Decide which channels you want to go to preset
positions, and which ones you want to maintain
their last commanded position. To select the failsafe
mode you wish to set, use the F/S button. This
button toggles between the two modes. (Hold, F/S)
F/S mode setting:
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*When you want to return that channel to the Hold mode,
touch the [F/S] button again.
Battery fail safe setting procedure
To select the B.F/S mode, touch the [B.F/S]
button. Each time the button is touched, it toggles
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control on the transmitter (default is throttle),
do not continue to fly, land as soon as possible.
Remember, if the predefined control suddenly
moves to a position you did not command, land at
once and check your receiver battery.
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when receiver battery voltage becomes low.
WARNING
For safety, always set the fail safe functions.
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the servo moves to the maximum slow side for airplanes and
to the slow side from the hovering position for helicopters.
Crashing of the model at full high when normal radio waves
cannot be received due to interference, etc., is very dangerous.
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engine malfunction and will be reset at throttle slow and the model
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between [OFF] and [B.F/S].
B.F/S setting:
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*When you want to return that channel to OFF, touch the [B.F/
S] button again.
Battery Failsafe Release Function
This function releases the predefined control
from it's held position after indicating that your
receiver battery is low.
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