Operating Instructions for RX-5 M-LINK /
RX-7 M-LINK 2.4 GHz receivers
Page 12
Ins
tr
uc
ti
ons
for
R
X
-5
/7
M-
LIN
K
2.
4 G
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# 985 531
2 (
11-
05-
18/
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) • E
rr
o
rs
and om
is
s
ions
ex
c
epted! •
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MU
LT
IP
LE
X
!
Note:
if you intend to use a five-cell or six-cell NiXX battery,
or a 2S LiPo or 2S LiIo pack, it is essential to check that all the
servos, gyros and other components connected to the system
are approved for use with this higher operating voltage.
!
Note: ensure that the power supply is adequate
A power supply system in good condition and of adequate capa-
city for the specific application plays an indispensable role in the
safe operation of any model:
x
Use only high-quality receiver batteries of adequate capacity.
Balance and maintain them carefully, and charge them fully.
x
Ensure that all cables are of adequate conductor cross-
section. Keep all wiring as short as possible, and use the
absolute minimum of plug / socket connections.
x
Use high-quality switch harnesses exclusively.
x
Brief collapses in the power supply voltage (lasting a few
milli-seconds) have no adverse effect on the receiver. Longer
voltage collapses to below 3.5 V may cause a receiver reset,
resulting in a brief interruption in reception. This may be due
to a receiver battery which is almost flat, too weak or
defective, cables of inadequate cross-section, poor-quality
connectors or an overloaded or defective BEC system.
7.
R
ECEIVER
C
ONNECTIONS
This receiver employs the UNI connector system, which is com-
patible with the connector systems used by most radio control
manufacturers (e.g. HiTEC, robbe/Futaba, Graupner/JR).
The receiver sockets are marked as follows:
1, 2, 3 … 5
(… 7)
Servo sockets, channels 1, 2, 3 … 5 (… 7).
Alternatively: receiver battery socket.
B
In the case of the
RX-5 M-LINK
:
Receiver battery socket
(can also be connected to servo sockets 1 … 5).
Duplicated for extra security: twice the conductor
cross-section, twice the number of contacts.
B/D
Receiver battery socket
(can also be connected to servo sockets 1 … 5
(… 7)).
Duplicated for extra security: twice the conductor
cross-section, twice the number of contacts.
Socket for PC or Diversity lead, for the serial
servo output lead (SRXL-MULTIPLEX), and for
the
MULTImate
.
S
Socket for external sensor module.
!
When connecting the receiver battery, servos, speed
controllers, sensors ... it is essential to insert the connector
the correct way round. With other makes of component
always check the pin assignment (see symbols on the
receiver)!
8.
F
IRST
U
SE
, F
UNCTIONS
8.1 LED Codes
LED code
Description
LED Code 0
LED OFF
Battery voltage too low
LED Code 1
LED ON
No reception
LED Code 2
1,6 sec
Binding procedure in progress
1,6 sec
LED Code 3
Normal receiving operation,
no errors
1,6 sec
LED Code 5
Confirmation signal
LED Code 6
1,6 sec
1 – 19 errors
LED Code 7
1,6 sec
20 – 49 errors
LED Code 8
1,6 sec
>= 50 errors
8.2 The functions of the SET button
Pressing the SET button on the top of the receiver when
switching on initiates the binding process (
Î
8.3
).
In receive mode, the SET button can be used to trigger two addi-
tional functions. The function selected depends on the length of
the button-press:
1.
Save error counter or FAIL-SAFE settings
Press the SET button for 0.5 to 1 second (
Î
8.8
and
Î
8.5
).
2.
RESET receiver to factory default settings
Press the SET button for longer than ten seconds (
Î
8.6
).
While the SET button is pressed, the LED indicates the length of
the button-press with time markers:
Press SET
button con-
stantly for
< 2
seconds
2 to 10
seconds
> 10
seconds
LED
OFF ON OFF
Purpose
Save error
counter /
FAIL-SAFE
settings
RESET
to default
settings
!
Note:
When the Save process is complete, the LED flashes in confir-
mation (LED code 5
Î
8.1.
).
8.3 Binding
The receiver must be set up to match the transmitter before the
system can work. This process is known as “binding”.
!
Note:
The signal output to the servo sockets is switched off during the
binding procedure. This means that the servos are “soft”, and do
not move, while the motor connected to a modern electronic
speed controller remains OFF due to the lack of a signal. Never-
theless, it is important to secure the model and keep well clear
of the power system.
The binding process is necessary in the following cases:
x
The first time the receiver is used (
Î
8.3.1
).
x
After a receiver RESET (
Î
8.6
).
x
After the transmitter setting for “Fast Response” has been
changed. For more information on this please refer to the
operating instructions supplied with your M-LINK transmitter
or M-LINK RF module.
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