Fail Safe Functions - FUTABA FP-3PB Instruction Manual

FAIL SAFE FUNCTIONS
[Note] The in the figures correspond to part names
Fail Safe Function That Protects
Unforeseen Accidents
(foldout).
the R/C Car Against
@lt is recommended that the F/S function be set when interference may be received during
practice runs, etc.
Receiver battety
voltage drop
RUNAWAY
[A] Fail safe (F/S) function
The F/S function prevents the vehicle
from running wild when the receiver
cannot receive the signals from the
transmitter because of noise or
interference.
It moves the throttle servo to the
preset position.
is held.
(All channels)
movement in
HOLD mode.
High side
Throttle
servo
[B] Battery fail safe (B. F/S) function
The B.F/S function prevents the vehicle from
running wild when the receiver battery voltage drops.
It moves the throttle servo to the preset position.
WF/S function setting MEF/S function release MEB.F/S function setting
Release the F/S function.
MF/S-HOLD switch
EE Select the function.
m F/S-HOLD switch
i
HOLD (2 s
OFF
Set to the HOLD
position.
F/s
Set to the
FS position
HOLD (F/S
OFF.
Set the throttle position
i) Fail safe set button
Set the throttle
trigger to the
desired position.
(Slow side)
Either F/S or
B.F/S can be set,
but the throttle
position set last
by F/S or B.F/S
is memorized.
|
FAIL SAFE
SET Press the FAIL SAFE
@ SET button
The set contents are memorized even
if the battery is changed.
-
HOLD state
The state immedia-
tely befor the inter-
ference was received
There is no servo
E Select the function.
PREVENTION !
CAUTION
| @When using an FET amp, turn off
the F/S function.
@Also turn off the F/S function when
using an penlight battery as the
receiver battery.
»
When interference
not received When interference received
F/S function off
HOLD state continued.
l
l
l
F/S function ı Returns
operating state | to normal
F/S function Moved to the preset l operation
on. position | automati-
ı cally.
Slow side
the Throttle S
servo
Other channels are in
the HOLD state.
B. F/S function
operating state
Moved to preset
position.
B. F/S function
on.
vehicle quickly.
|
|
|
, Recover the
I
| If the voltage
Slow side
Throttle >)
servo
Other channels are
operative.
drops farther,
| the vehicle can-
not be controlled.
|
WB. F/S function release
Release the B.F/S function.
™mB.F/S ON/OFF switch ™B.F/S ON/OFF switch
BAT Fe
an)
DAT lS
ON
if Set to ON position.
OFF
Set the throttle position.
Set to the OFF
position.
(Same as F/S
function setting.)
The set contents are memorized even
if the battery is changed.