www.frsky-rc.com
18/05/12
2
indicating the failsafe position has been set in the receiver.
To disable the failsafe function, re-bind the receiver.
Failsafe
Failsafe
Failsafe
Failsafe is
is
is
is recommended
recommended
recommended
recommended to
to
to
to set
set
set
set when
when
when
when system
system
system
system is
is
is
is firstly
firstly
firstly
firstly used,
used,
used,
used, or
or
or
or receiver
receiver
receiver
receiver has
has
has
has been
been
been
been re-bound.
re-bound.
re-bound.
re-bound. Follow
Follow
Follow
Follow steps
steps
steps
steps below
below
below
below to
to
to
to set
set
set
set
failsafe.
failsafe.
failsafe.
failsafe.
Option-1.
Option-1.
Option-1.
Option-1. How
How
How
How to
to
to
to set
set
set
set failsafe
failsafe
failsafe
failsafe to
to
to
to a
a
a
a user
user
user
user----determined
determined
determined
determined state
state
state
state on
on
on
on lost
lost
lost
lost signal
signal
signal
signal::::
1)
1)
1)
1) Bind
Bind
Bind
Bind the
the
the
the receiver
receiver
receiver
receiver to
to
to
to the
the
the
the transmitter
transmitter
transmitter
transmitter module
module
module
module first
first
first
first and
and
and
and turn
turn
turn
turn on
on
on
on both
both
both
both the
the
the
the transmitter
transmitter
transmitter
transmitter and
and
and
and the
the
the
the receiver;
receiver;
receiver;
receiver;
2)
2)
2)
2) Move
Move
Move
Move the
the
the
the controls
controls
controls
controls to
to
to
to desired
desired
desired
desired failsafe
failsafe
failsafe
failsafe position
position
position
position for
for
for
for all
all
all
all channels;
channels;
channels;
channels;
3)
3)
3)
3) Press
Press
Press
Press briefly
briefly
briefly
briefly the
the
the
the F/S
F/S
F/S
F/S button
button
button
button on
on
on
on the
the
the
the receiver
receiver
receiver
receiver and
and
and
and you
you
you
you are
are
are
are done.
done.
done.
done.
Option-2.
Option-2.
Option-2.
Option-2. H
H
H
Ho
o
o
ow
w
w
w to
to
to
to set
set
set
set failsafe
failsafe
failsafe
failsafe for
for
for
for no
no
no
no pulses
pulses
pulses
pulses on
on
on
on lost
lost
lost
lost signal
signal
signal
signal::::
1)
1)
1)
1) Just
Just
Just
Just press
press
press
press briefly
briefly
briefly
briefly the
the
the
the F/S
F/S
F/S
F/S button
button
button
button on
on
on
on the
the
the
the receiver
receiver
receiver
receiver while
while
while
while the
the
the
the transmitter
transmitter
transmitter
transmitter is
is
is
is off
off
off
off and
and
and
and you
you
you
you are
are
are
are done.
done.
done.
done.
Note:
Note:
Note:
Note: If
If
If
If failsafe
failsafe
failsafe
failsafe is
is
is
is not
not
not
not set,
set,
set,
set, failsafe
failsafe
failsafe
failsafe default
default
default
default will
will
will
will hold
hold
hold
hold last
last
last
last position
position
position
position before
before
before
before signal
signal
signal
signal is
is
is
is lost.
lost.
lost.
lost. In
In
In
In this
this
this
this case,
case,
case,
case, tttthere
here
here
here exists
exists
exists
exists risk
risk
risk
risk that
that
that
that
your
your
your
your model
model
model
model will
will
will
will fly
fly
fly
fly away
away
away
away or
or
or
or cause
cause
cause
cause injury.
injury.
injury.
injury.
2.4
2.4
2.4
2.4 LED
LED
LED
LED status
status
status
status
RED LED
GREEN LED
Mode
On
Dimly On
Normal Operation
Blinking
Off
No Signal
Blinking
On
Binding Successful
2.5
2.5
2.5
2.5 Pins
Pins
Pins
Pins definition
definition
definition
definition for
for
for
for side
side
side
side ports
ports
ports
ports
It should be noted that 3.3V only has a limited driving current (1~10mA), it should not be used for driving a MPU.
2.5.1
2.5.1
2.5.1
2.5.1
Two external analog telemetry ports (A1&A2) and one digital data-stream port (Rx).
G
G
G
Tx
X
X
Rx
A2
A1
Rx: input to receiver, RS232 level, connect with FrSky sensor hub
A2 (external): max voltage 3.3V, division ratio 1:1
A1 (external): max voltage 3.3V, division ratio 1:1
2.5.2
2.5.2
2.5.2
2.5.2 When
When
When
When side
side
side
side port
port
port
port pins
pins
pins
pins of
of
of
of A1
A1
A1
A1 and
and
and
and X
X
X
X are
are
are
are connected
connected
connected
connected by
by
by
by the
the
the
the jumper,
jumper,
jumper,
jumper, A1
A1
A1
A1 will
will
will
will change
change
change
change from
from
from
from external
external
external
external analog
analog
analog
analog telemetry
telemetry
telemetry
telemetry
port
port
port
port to
to
to
to internal
internal
internal
internal built-in
built-in
built-in
built-in battery
battery
battery
battery voltage
voltage
voltage
voltage sensor.
sensor.
sensor.
sensor.
G
G
G
Tx
X
X
Rx
A2
A1
Rx: input to receiver, RS232 level, connect with FrSky sensor hub
A2 (external): max voltage 3.3V, division ratio 1:1
A1 (internal): max voltage 3.3V, division ratio 4:1
3.
3.
3.
3.
How
How
How
How to
to
to
to switch
switch
switch
switch between
between
between
between two
two
two
two PPM
PPM
PPM
PPM modes
modes
modes
modes
Turn the transmitter off, connect the battery to the receiver, pressing the F/S button of the receiver for 6 seconds and then
release. The red LED will flash fast in HS mode and slowly in FS mode. The mode alternates each time this procedure is done.
Warning:
Warning:
Warning:
Warning: HS
HS
HS
HS mode
mode
mode
mode is
is
is
is only
only
only
only applied
applied
applied
applied for
for
for
for high-speed
high-speed
high-speed
high-speed digital
digital
digital
digital servos.
servos.
servos.
servos.
Other
Other
Other
Other servos
servos
servos
servos should
should
should
should select
select
select
select FS
FS
FS
FS mode,
mode,
mode,
mode, otherwise
otherwise
otherwise
otherwise servos
servos
servos
servos will
will
will
will get
get
get
get hot
hot
hot
hot and
and
and
and may
may
may
may burn
burn
burn
burn out.
out.
out.
out.
4.
4.
4.
4.
How
How
How
How to
to
to
to get
get
get
get CPPM
CPPM
CPPM
CPPM and
and
and
and RSSI
RSSI
RSSI
RSSI from
from
from
from D8R-XP
D8R-XP
D8R-XP
D8R-XP
If CH3 and CH4 are connected by a jumper, CH1 will output CPPM for CH1~ CH8 and CH2 will output RSSI (PWM).
CPPM
CPPM
CPPM
CPPM channel
channel
channel
channel can
can
can
can not
not
not
not handle
handle
handle
handle all
all
all
all eight
eight
eight
eight channels
channels
channels
channels at
at
at
at the
the
the
the same
same
same
same time
time
time
time with
with
with
with all
all
all
all throws
throws
throws
throws are
are
are
are maxed
maxed
maxed
maxed out,
out,
out,
out, as
as
as
as it
it
it
it does
does
does
does not
not
not
not have
have
have
have
enough
enough
enough
enough frame
frame
frame
frame gap.
gap.
gap.
gap. It
It
It
It is
is
is
is recommended
recommended
recommended
recommended to
to
to
to use
use
use
use at
at
at
at most
most
most
most six
six
six
six channels
channels
channels
channels from
from
from
from CPPM
CPPM
CPPM
CPPM channel
channel
channel
channel while
while
while
while leaving
leaving
leaving
leaving off
off
off
off the
the
the
the rest
rest
rest
rest two
two
two
two
channels,
channels,
channels,
channels, otherwise
otherwise
otherwise
otherwise improper
improper
improper
improper performance
performance
performance
performance might
might
might
might occur.
occur.
occur.
occur.
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