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! These operating instructions are an integral part
of the product, and contain important information
and safety notes. Please store them in a safe place,
where you can find them at any time, and pass
them on to the new owner if you sell the receiver.
1.
S
PECIFICATION
RX-7-DR
compact
M-LINK
Order No.
# 5 5819
Reception system
Frequency Hopping Spread Spectrum
Servo channel count
Servo frame rate
Signal resolution
Current drain
1 x approx. 38 cm, 1 x approx. 18 cm
Aerial length
1 x approx. 35 cm, 1 x approx. 15 cm
Operating voltage
Operating
temperature range
Weight
Dimensions
(case)
2.
S
F
PECIAL
EATURES
High-quality 7-channel / 9-channel / 12-channel receivers
assembled using the latest SMT methods, exploiting
MULTIPLEX 2.4 GHz M-LINK technology, suitable for all
types of model.
Dual receivers:
Each receiver features two complete reception circuits
working in parallel (receiver diversity).
This ensures excellent reception quality by minimising
directional effects.
Supplementary signal pre-amplification:
For maximum sensitivity, and therefore outstanding reception
quality at maximum system range.
In-line connector bank on front and rear sides.
All connectors feature high-quality gold-plated contacts.
The extremely compact format makes these receivers ideal
for use in slim fuselages (e.g. F3B, F3J, ...).
Aerials with different lengths of feed cable.
HOLD / FAIL-SAFE function.
Integral SET button and LED:
For binding, FAIL-SAFE programming, RESET and
displaying operating status information.
Operating Instructions for
RX-7/9/12-DR compact M-LINK M-LINK 2.4 GHz receivers
RX-9-DR
RX-12-DR
compact
compact
M-LINK
M-LINK
# 5 5820
# 5 5821
2.4 GHz FHSS M-LINK
MULTIPLEX-LINK
7
9
Fast Response: 14 ms
Standard: 21 ms
12-bit, 3872 steps
approx. 60 mA (excl. servos)
Overall length (free length):
Of which feed cable:
Active aerial length:
In each case approx. 3 cm
3.5 V ... 9.0 V
4 - 6 NiCd / NiMH (NiXX) cells
2S LiPo / LiIo
- 20°C ... + 55 °C
18.5 g
approx. 53.5 x 17.5 x 22.5 mm
Telemetry / feedback channel capability:
Receiver battery voltage and connection quality
= standard features.
Integral sensor interface for connecting external sensor
modules via MSB (MULTIPLEX Sensor Bus).
Prepared for two-receiver operation:
Diversity lead (# 8 5070) required.
Prepared for serial servo output:
Servo outputs as sum signal – SRXL-MULTIPLEX.
The receiver's first twelve channels are carried by a three-
cord lead (# 8 5070) via the receiver's B/D socket, e.g. for
power supply / servo management systems, or for flybarless
systems in model helicopters.
Prepared for selecting one sensor address as "priority
address":
The selected sensor value is updated at a faster rate than all
12
the other sensor values.
Integral error counter / data logger:
For voltage and signal errors.
Compatible with the MULTImate (# 8 2094).
Integral PC interface:
Carry out updates and adjustment using the MULTIPLEX
Launcher PC program in conjunction with the UNI USB PC
lead (# 8 5149).
3.
S
AFETY
! Please read the instructions before using the receiver.
! Use the receiver only for the intended applications
(
4.).
! Ensure the power supply is of adequate capacity (
! Observe the installation notes (
! Carry out regular range checks (
4.
A
PPLICATIONS
The RX-7-DR compact M-LINK, RX-9-DR compact M-LINK
and RX-12-DR compact M-LINK 2.4 GHz receivers (also referred
to in this document as RX-7/9/12-DR compact M-LINK) are
radio control receivers intended exclusively for modelling appli-
cations. It is prohibited to employ them for other purposes such
as full-size (people-carrying) vehicles or industrial installations.
5.
C
OMPATIBILITY
RX-7/9/12-DR compact M-LINK 2.4 GHz receivers can only be
operated in conjunction with transmitters which utilise MULTI-
PLEX M-LINK transmission technology.
As of October 2011, these are:
ROYALpro 7, 9 and 16 M-LINK.
ROYALevo or pro 7, 9 and 12 with firmware version V3.xx
and the HFM4 M-LINK 2.4 GHz RF module*.
PROFImc 3010, 3030 and 4000 with the HFM3 M-LINK
2.4 GHz RF module*.
COCKPIT SX M-LINK.
MULTIPLEX transmitters with the HFMx M-LINK
2.4 GHz RF module.
MULTIPLEX transmitters with the HFMx V2 M-LINK
2.4 GHz RF module.
Graupner/JR transmitters with any of the following 2.4 GHz
RF modules: HFMG1 M-LINK*, HFMG2 M-LINK* or HFMG3
M-LINK*.
Page 12
N
OTES
14.).
15.).
6.).
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