MULTIPLEX RX-6 Operations Instructions download pdf (Page 8)

Operating Instructions

RX-6 light M-LINK 2.4 GHz receiver

MULTIPLEX Modellsport GmbH & Co.KG • Westliche Gewerbestraße 1 • D-75015 Bretten (Gölshausen) • www.multiplex-rc.de Page 3/4

Instructions: RX-6 light M-LINK 2.4 GHz receiver # 985 5317 (10-07-30/MIWA) • Errors and omissions excepted! •

MULTIPLEX

In its default state and after a RESET the FAIL-SAFE function is

switched OFF, and is only activated when you select the FAIL-

SAFE settings for the first time. FAIL-SAFE is set using the SET

button on the receiver, or - in the case of certain transmitters -

“by radio”.

If you wish to disable FAIL-SAFE again, the receiver must be

reset to the default state (RESET Î

8.5

). After a RESET you

must repeat the binding procedure (Î

8.2.1

! Note: always activate FAIL-SAFE!

For safety reasons we recommend that you always activate

FAIL-SAFE, and ensure that the selected FAIL-SAFE settings

will cause the model to take up as safe an attitude as possible

(e.g. motor idle / electric motor OFF, control surfaces neutral,

landing flaps deployed, tow-release open, …).

Selecting the FAIL-SAFE settings:

Use your transmitter to move all the servos (and the speed

controller) to the desired position. Hold the SET button pressed

in briefly (0.5 to 1 second). This stores the FAIL-SAFE positions

for all servo channels; the LED flashes to confirm this (LED code 5

8.1

Testing the FAIL-SAFE positions:

Move the sticks to positions other than the FAIL-SAFE settings,

and then switch the transmitter OFF: the servos should go into

HOLD mode briefly (0.75 seconds), and then move to the FAIL-

SAFE positions which you previously selected.

The FAIL-SAFE positions must always be checked and updated

when necessary, e.g. when you install the receiver in a new

model.

! Checking the FAIL-SAFE function:

Never operate the receiver with the transmitter switched off for

longer than it takes to check the FAIL-SAFE function. Caution: if

the FAIL-SAFE position is incorrect, the motor could burst into

life - injury hazard!

After sixteen seconds in FAIL-SAFE mode the receiver no lon-

ger sends signals to the servos. Analogue servos and some

digital servos (see instructions) then become “soft”, to avoid

them being stalled. Modern speed controllers switch themselves

off. However, some digital servos remain “hard” and maintain

their last position.

8.5 RESET to default settings

The receiver settings can be reset to the factory default values if

you wish. If you do this, please note that all your settings (e.g.

binding information, FAIL-SAFE settings) will be lost.

Hold the SET button pressed in for at least ten seconds (as a

guide, the LED goes out when you press the button, comes on

again after two seconds, then off again after ten seconds).

When the RESET is complete, the receiver LED flashes to con-

firm the action (LED code 5 Î

8.1

), and the receiver switches to

binding mode.

Note:

a RESET is not possible if the receiver is in binding

mode (LED flashing at high rate).

9. INSTALLATION NOTES

Protect your receiver from vibration, especially in models

loosely in foam).

Locate the receiver at least 150 mm away from electric mo-

tors, petrol engine ignition systems and any other electronic

components such as speed controllers for electric motors and

drive batteries. Do not route the aerial close to these com-

ponents.

x Install the receiver in the model in such a way that the aerial

is as far away as possible from any conductive material.

If the fuselage is made of conductive material (e.g. carbon

fibre), the aerial must be installed in such a way that it is

located outside the model.

Do not deploy the aerial inside or resting against model

components which are skinned or reinforced with conductive

material (metal foil, carbon fibre, metallic paints, ...), as they

can have a shielding effect.

Do not shorten, lengthen or repair the aerial yourself.

Do not deploy the aerial parallel to servo leads, high-current

cables or electrically conductive components (e.g. pushrods).

High-current cables, e.g. those attached to the speed con-

troller, motor and flight battery, should be kept as short as

possible.

Reception quality can be optimised by fitting a special ferrite

ring (# 8 5146) in the speed controller cable. It is also

advisable to fit effective suppressors to conventional (brushed)

electric motors (not brushless types) (e.g. use the suppressor

set # 8 5020).

10. RANGE CHECKING

Regular range checks are very important - even when using a

2.4 GHz system - in order to ensure reliable operation of the

radio control system, and to enable you to detect sources of

interference in good time. This applies in particular:

Before the use of new or changed components, or existing

components in a new or modified arrangement.

Before re-using radio control system components which were

previously involved in a crash or a hard landing.

If you have encountered problems on a previous flight.

Important:

Always ask a second person to help you with your range

check, so that one of you can secure and observe the model.

If possible, carry out the range check when no other trans-

mitters are operating.

Carrying out the range check:

1. Select “Range check” mode on your transmitter (see the

operating instructions supplied with your M-LINK transmitter

or M-LINK RF module).

There must be line-of-sight contact between the transmitter

and the receiver aerial (i.e. the model) during the range

check.

Keep the transmitter and the model about one metre above

ground during the range check.

2. The range of the RX-6 light M-LINK receiver must be at least

forty metres with the transmitter set to low power. You have

reached the range limit when the servos start to move jerkily.

If your transmitter features an automatic servo test facility, we

recommend that you activate it for one control function (e.g.

rudder). This sets up a steady movement of the servo, and

enables you to detect the limit of range clearly.

Important:

Carry out the first range check with the motor switched off. Turn

the model in all directions and attitudes, and adjust the position

of the receiver and / or the aerial if necessary.

For the second range check, run the motor at varying speeds

and check that the effective range is not significantly reduced. If

there is a marked reduction, locate and eliminate the cause of

the interference (caused by the motor, the arrangement of the

receiving system and power supply, vibration, etc.).

11. ACCESSORIES

Servo lead, 10 cm (bare / Micro), # 8 5140.

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 21 22

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MULTIPLEX RX-6 Operations Instructions Page 8

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