Spektrum DSM 3-Ch Pro Series Surface Module/Rx AIR M8/M11 Operating instructions
- Category
- Toys & accessories
- Type
- Operating instructions
Alternate Languages ........................................................3
Introduction ......................................................................4
Benefits .............................................................................5
DSM Digital SpreadSpectrum Modulation .......................6
Installation Instructions .....................................................7
Installing theTransmitter Module ......................................8
Installing the Receiver ......................................................9
Binding ...........................................................................12
Binding Process .............................................................13
Specifications .................................................................15
FCC Information .............................................................17
Warranty and Service Information ..................................18
Table of Contents
2
ITALIAN: Per la versione italiana di questo manuale vi preghiamo di visitare il sito
www.spektrumrc.com
FRENCH: Pour consulter ce manuel en français, visiter le site www.spektrumrc.com
GERMAN: Zur Ansicht der Bedienunsanleitung in den Deutsch besuchen Sie bitte
www.spektrumrc.com
SPANISH: Para ver este manual en Español entra en www.spektrumrc.com
Alternate Languages
3
Spektrum’s Digital Spectrum Modulation (DSM) system offers the ultimate in radio
link security. No longer do you have to worry about transmitters on your frequency
unintentionally being turned on, waiting for the frequency clip to practice or interference
caused from noisy motors, speed controllers or other interfering sources. The DSM system
utilizes Digital Spread Spectrum technology providing an impenetrable radio link.
Operating within the ultra high frequency 2.4GHz worldwide ISM band, each individual
module is programmed at the factory with its own unique serial code called GUID
(Globally Unique Identification code). Once a receiver is programmed to a specific module
(called binding), the receiver will only recognize that module, ignoring signals from any
other sources. And with over 4 billion possible GUID codes, it’s virtually impossible for a
receiver to listen to anything other than its bound transmitter.
The DSM system is telemetry-ready for optional telemetry modules (purchased separately).
Engine temperature, speed, rpm, signal strength, battery voltage and even lap times are
displayed in real time via Spektrum’s handheld display or via a PC. Telemetry options will
be updated periodically to include a wide variety of popular functions.
Introduction
4
• Eliminates the possibility of interference from an unintentional turn-on
• Impervious to model-generated RF interference (like noisy motors, speed controllers,
metal-to-metal noise, etc.)
• Robust interference from any outside sources like other transmitters, cell phones,
pagers, WiFi systems, etc.
• No more waiting for an open frequency
• Eliminates the need for a frequency board and frequency clips
• Fail-safe drives the servos to a preset position (usually full brakes) in the unlikely
event of signal loss
• No need to impound transmitters at events
• The DSM system is available for all popular module-based 3-channel transmitters
• 2.4GHz worldwide band allows international use
• Short 8.5" receiver antenna is easy to mount
• Telemetry-ready— optional modules allow real time monitoring of head temperature, rpm,
speed, battery voltage, lap times, etc.
• No maintenance or tuning required (always stays in tune)
• No need for crystals
• Up to 79 users can simultaneously operate DSM systems with no interference
• FCC, UKCC, ROAR, NORCCA and ETSI approved
Benets
5
The DSM system operates in the 2.4GHz band (that’s 2400MHz). This high frequency
offers a significant advantage as it’s well out of the range of model-generated radio
interference (like motor and ESC noise). All the complex issues that now exist using 27
and 75MHz radios with model-generated interfering noise are eliminated with this system.
The DSM system uses Direct Sequence Spread Spectrum modulation to generate a
wide signal on a single frequency. The FCC requires that these systems be “smart”–
incorporating collision avoidance such that when a system is turned on, it scans the
2.4GHz band and selects a channel that is not being used, then begins transmitting on
that unused channel. 79 channels are available and the odds of one DSS spread spectrum
system interfering with another are astronomically remote. The 2.4GHz spectrum has a
capacity of 79 channels. In the unlikely event that the spectrum is full, the 80th system will
not connect or cause any interference, going into hold scan until a channel is free.
DSM
Digital Spread
Spectrum Modulation
6
During first installation, the receiver(s) must be bound to the transmitter module. Binding
is necessary to program the receiver(s) to distinguish its corresponding transmitter from
others. Also fail-safe positions are transferred from the transmitter to the receiver during
binding. See binding below for more details.
1. Make sure that the transmitter is switched off.
2. Remove the
current RF
module from
the transmitter.
3. Carefully insert
the DSM module
noting the
orientation of the
connector pins.
Installation
Instructions
Installing the Transmitter
Module
7
5. If the transmitter is PPM and PCM compatible, make sure the transmitter is programmed
to PPM modulation mode. If necessary, see the instructions included with your radio
system for details.
Note: When using the Futaba 3PK, it’s necessary to use
the standard PPM mode and not the HRS mode.
4. Rotate and angle
the antenna on
the module to
vertical.
Installing the
Transmitter Module
(continued)
8
1. Using double-
sided foam tape,
mount the receiver
in the position
recommended
in your vehicle’s
instructions.
2. At 8.5 inches in length, the receiver antenna is significantly shorter than
conventional antennas. The receiver has provisions that allow the antenna to exit
the top of the receiver or at the end of the receiver. To switch antenna positions, it's
necessary to open the case to change the antenna exit position. Like all antennas,
it’s important to mount the antenna vertically. In most cases the antenna can be
mounted inside the body with no loss of range. Mount the receiver antenna as
recommended by the manufacturer of the vehicle, however, it may be necessary
to trim the plastic antenna tube (included with your vehicle) to allow the antenna to
extend at least 1/2" past the tip of the tube.
Installing the
Receiver
9
Note: If desired, the antenna can be shortened (cut)
to exactly 3.6" with negligible loss of range and in some
applications the short 3.6" length will make installation easier.
3. Connect the servo and ESC
leads per the chart below. The
connections are compatible with
Airtronics Z, JR®, Futaba, Hitec,
and KO servos.
Installing the
Receiver
(continued)
10
Receiver Channel Usage
Port 1 – Battery and telemetry options
Port 2 – CH1 Steering
Port 3 – CH2 Throttle
Port 4 – CH3 Auxiliary channel or personal transponder
Note: Align the servo leads so the black wire is towards
the outside edge of the receiver case.
Channel Assignments
11
Auxiliary
Throttle
Steering
Battery
Bind Button
LED Indicator
It’s necessary to program the receiver to a specific module so that the receiver will only
recognize that module, ignoring signals from any other sources. If the receiver is not
bound to a module, the system will not operate. Also during the binding process the servo
fail-safe positions are set.
It is only necessary to bind the receiver to the module during first installation and is
recommended when the receiver is moved from one vehicle to another. Receivers can
be re-bound to the same module or to other modules an infinite number of times. Also an
unlimited number of receivers can be bound to a single transmitter module, common when
using one transmitter to operate several models.
1. Make sure the transmitter and receiver are turned off.
2. With the receiver off, press and hold the bind button on
the receiver.
3. Turn on the receiver while holding the bind button.
4. Release the bind button when the LED flashes green.
Binding
Binding Process
12
5. With the transmitter off, place the transmitter sticks and auxiliary channels in their
desired fail-safe positions, normally brake and straight ahead steering.
6. Press and hold the bind button on the
transmitter module.
7. Turn on the transmitter while holding
the bind button.
8. Release the bind button after the green
LED flashes.
Observe that after several seconds the LED on the receiver and the LED on the
transmitter will quit flashing and remain solid, indicating that the binding process
was successful. Once binding is complete, the system will automatically connect.
Only bound receivers and modules can connect. During power-up, the transmitter
scans for a free channel while the receiver scans for its bound transmitter. During
scanning, the LEDs on both transmitter and receiver flash rapidly. After sucessful
binding is achieved, the LED remains on continuously.
Binding Process
(continued)
13
In the unlikely event that the link is lost during use, the receiver will drive the servos to
their fail-safe positions that were preset during the binding process. If the receiver is
turned on prior to turning on the transmitter, the receiver will enter the fail-safe mode
driving the servos to their preset fail-safe position. When the transmitter is turned on,
normal control is resumed.
Note: The fail-safe positions can be checked by turning the power
off on the transmitter. The green LED on the reveiver will go out and
the servo/ESC will be driven to their stored fail-safe positions.
Loss of Link / Fail Safe
14
Specification Range Units
Frequency Band 2.400–2.4835 GHz
Channels 79
Channel Spacing 1 MHz
Chips/Bits 64
DSSS Coding Gain 18 dB
Bitrate 15.625 kbps
Range 3000 Ft
Latency
Standard System 5.6 ms
Pro Series System 3.0 ms
Resolution/Channel 4096 Bits
Specications
15
Specification Range Units
Output Power 10 mW
Antenna 2 dBi
Modulation Digital GFSK
160kHz dF
Sensitivity -98 dBm BER 1E-3
RC Channels 3
Power 40 mA @ 4.8V
Weight 11 grams
Transmitter
Receiver
Specications
(continued)
16
This device complies with part 15 of the FCC rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may
cause undesired operation.
Caution: Changes or modifications not expressly
approved by the party responsible for compliance could
void the user’s authority to operate the equipment.
This product contains a radio transmitter with wireless technology which has been tested
and found to be compliant with the applicable regulations governing a radio transmitter in
the 2.400GHz to 2.4835GHz frequency range.
The associated regulatory agencies of the following countries recognize the noted
certifications for this product as authorized for sale and use:
USA Canada Belgium
Denmark France Finland
Germany Italy Netherlands
Spain Sweden UK
FCC Information
17
Spektrum 1-Year Warranty
This Spektrum™ product is guaranteed against workmanship and manufacturing
defects for a period of 1 year from the original date of purchase. This warranty is limited
to the original purchaser and cannot be transferred. Warranty repair will cover all units
except those that have been modified, misused, improperly installed, or serviced by an
unauthorized service center. As with all fine electronics, avoid exposing your equipment to
extreme temperatures, humidity, moisture, or exposure to direct sunlight for long periods of
time.
If you have any questions about the operation or installation of this product, please feel
free to call a product support representative at 1-877-504-0233.
If your equipment needs to be repaired, ship it to:
Horizon Service Center
ATTN: Spektrum Service
4105 Fieldstone Road
Champaign, IL 61822
Warranty and Service
Information
18
Include your complete name and address information inside the carton and clearly write it
on the outer label/return address area. Include a brief summary of the problem. Date your
correspondence and be sure that your name and address appear on this enclosure. To
receive warranty service, you must include your original sales receipt verifying the proof-
of-purchase date. Providing warranty conditions have been met, your equipment will be
repaired at no charge or replaced at the discretion of Horizon Hobby.
Warranty and Service
Information
(continued)
19
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Spektrum DSM 3-Ch Pro Series Surface Module/Rx AIR M8/M11 Operating instructions
- Category
- Toys & accessories
- Type
- Operating instructions
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