12
www.
foxtechfpv
.com
RC
Ou
t
-
of
-C
o
n
t
r
o
l
P
r
ot
e
c
t
i
o
n Se
tt
ing
I
f you need to set the us
ing
protection of the remote control, please
follow
the steps
below:
1
. Write the runaway protection data
When the air
end is properly connected to the ground end and there is remote control
data transmission,
short
press the set
button
of the air
end (about 0.
5S)，
t
he
value of the
current remote controller can be stored as an out-of-control protection value on the air
end, a
nd will not be lost after power failure. Please use the
FC
ground station
or servo
to
test whether the runaway protection data is successfully written.
2.
Trigger o
ut
-
of
-
control protection value
When the air
unit
does not receive the S-BUS data
from
the ground
unit
for
3s
the
air
end
will always output the previously written out-of-control protection value until the S-BUS
data
from
the ground
end
is received.
3.
T
urn off
o
ut
-
of
-
control protection
When the air
end is properly connected to the ground end and there is remote control
data transmission,
p
ress and hold the
S
et
button
(
≥3S) on the air
unit
to turn off the
o
ut
-
of
-
control protection
.
Please use the
FC
ground station
or servo
to test whether the
o
ut
-
of
-
contro
l
protection is successfully
turned off.
N
N
No
o
ottte
ee:::
B
y default, the
RB20
has no out-of-control protection value output.
While using RB20, please select the GCS Protection function, so w
hen the
aircraft
does
not receive the S-BUS
signal
from
the ground
, the aircraft will automatically trigger and
return home.
Firmware Upgrade
1. Open
Bootloader
upgrade software
