9
www.
foxtechfpv
.com
R
R
RB
B
B2
220
00 C
C
Co
o
on
n
nn
n
ne
eeccctttiiio
o
on
n
n D
D
Diiia
aag
g
grrra
aam
m
m
Power on the ground unit and air unit, if the light is illuminated as shown below, it
means the two modules are connected normally.
Air Unit
Ground Unit
Parameter Configuration
The parameters have been set at the factory and you should be able to use RB20 directly. In the following
situations, you may need to modify the RB20 parameters:
1.The flight control baud rate is inconsistent with the RB20 preset baud rate.
2.Multiple Rb20 occupy the same communication channel, causing communication blocking.
3.Have special communication bandwidth and communication power requirements
.
P
lea
s
e
fo
ll
ow
th
e
st
e
ps
b
el
ow
to
mod
i
f
y
th
e
p
ara
m
e
t
er
s:
The parameter modification method of ground unit and air unit is basically the same,
only the
connection cable is different.
1
、
Press and hold the set button, then power up until the L2 light is on, release the button.
keeps on
keeps on
flashing
keeps on
keeps on
keeps on