Futaba 8J User Manual
Page 49
48
FailSafe (loss of clean signal and low receiver battery) submenu (F/S): sets responses in case of loss of signal or low Rx
battery.
FailSafe (F/S): instructs a 2.4G receiver what to do in the event radio interference is received.
Adjustability:
(DFK FKDQQHO PD\ EH VHW LQGHSHQGHQWO\ FHSS mode: ch2 only)
7KH NOR (normal) setting holds the servo in its last commanded position.
7KH F/S )DLO6DIH IXQFWLRQ PRYHV HDFK VHUYR WR D SUHGHWHUPLQHG SRVLWLRQ
7KH VHWWLQJ RI WKH F/S also applies to the Battery F/S (see below).
127( WKH VHWWLQJ RI WKH WKURWWOHV F/S also applies to the Battery F/S (see
below)
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7KH F/S setting is used in certain competitions to prevent the aircraft from flying away and doing potential damage
elsewhere. Conversely, the F/S VHWWLQJ PD\ DOVR EH XVHG WR JR WR QHXWUDO RQ DOO VHUYRV KRSHIXOO\ NHHSLQJ WKH SODQH À\LQJ
long enough to regain control.
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from and recover from the radio interference and minimize damage if crashed.
)RU KHOLFRSWHUV NOR is typically the safest choice.
:H DOVR UHFRPPHQG VHWWLQJ D JDVROLQH HQJLQHV HOHFWURQLF NLOO VZLWFK WR WKH 2)) SRVLWLRQ LQ WKH F/S function for safety reasons.
Updating F/S Settings: If you specify a F/S VHWWLQJ WKH )DLO6DIH GDWD LV DXWRPDWLFDOO\ WUDQVPLWWHG :KHQ \RX FKRRVH WKH
F/S
PRGH FKHFN WKDW \RXU VHWWLQJV DUH DV GHVLUHG E\ WXUQLQJ RII WKH WUDQVPLWWHU SRZHU VZLWFK DQG YHULI\LQJ WKDW WKH VHUYRV
move to the settings that you chose.
GOAL of EXAMPLE:
STEPS:
INPUTS:
&KDQJH WKH UHFHLYHU )DLO6DIH FRPPDQG
IRU FKDQQHO JDVROLQH HQJLQH NLOO
switch) to a preset position.
N O T E : T h i s i s o n e o f s e v e r a l
functions for which the radio requires
FRQ¿UPDWLRQ WR PDNH D FKDQJH
Open F/S function.
for 1 second.
to F/S.
Choose Channel to change. (ex: Ch. 8)
to Ch 8.
Set and FRQ¿UP fail safe command.
that controls channel 8 to desired
OFF
position.
for 1 second to store.
Repeat as desired.
Close.
Where next?
5HDG EHORZ IRU LQIRUPDWLRQ RQ %DWWHU\ )DLO6DIH
Adjust END POINTs to gain proper F/S responses if needed: see p. 36.
Adjust SUB-TRIM to gain proper F/S responses if needed: see p. 46.
Battery FailSafe (F/S): a second battery low warning feature (separate from the transmitter low voltage warning). When
WKH DLUERUQH EDWWHU\ YROWDJH GURSV EHORZ DSSUR[LPDWHO\ 9 WKH * UHFHLYHU¶V EDWWHU\ F/S function moves the throttle
to a predetermined position. When the Battery F/S IXQFWLRQ LV DFWLYDWHG \RXU HQJLQH ZLOO PRYH WR LGOH LI \RX KDYHQW VHW D
position) or a preset position. You should immediately land. You may temporarily reset the Battery F/S function by moving
the THROTTLE STICK to idle. You will have about 30 seconds of throttle control before the battery function reactivates.
Adjustability:
NOR F/S setting for throttle results in Battery F/S going to the servo position reached by moving THROTTLE STICK to
the bottom with TRIM LEVER FHQWHUHG
F/S position setting for throttle results in Battery F/S also going to the same throttle servo position as the regular F/S.
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