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PRODUCT BULLETIN: Spektrum™ DX20 DSMX Tranmitter (SPM20000)
March 27, 2017 Download English PDF Version Here
Product:Spektrum™ DX20 transmitters that do not have CM or TW on the end of the PID number.
Issue: The transmitter was found to not meet Horizon Hobby’s quality expectations.
What To Do: Please fill out the Repair Request Form found here. After completing and submitting the Repair Request Form, Horizon Hobby will E-mail a shipping label for you to use to return the transmitter. Typical turnaround time for a repair is 10–14 business days. You will not incur any fees or charges for the repair, if it is deemed necessary.
Finding the PID number:
The PID number is a manufactured identification number and is located on the outside of the product box and also under the battery lid on the DX20 as shown. Only PID’s that do not end in a CM or TW need to be returned for service.
1. Export all programmed models to an SD card.
2. Remove the following items from the transmitter:
3. Carefully wrap the transmitter in bubble wrap and pack the transmitter into a strong cardboard box, ensuring the transmitter will not move around in transit.
4. Attach shi[pping label and return address on outside of box
If you purchased your product outside of the US and Canada, please see the retailer or distributor you purchased your product from for assistance. Horizon Hobby, LLC disclaims all liability and warranties for any consumer who does not act upon this bulletin. We apologize for this inconvenience.If you have any questions, please call Horizon Hobby Product Support at 877-504-0233.
4105 Fieldstone Rd
Champaign, Illinois, 61822 USA
From its premium construction and comfortable ergonomics to its powerful programming features, the DX20 delivers a pro-class flying experience that is second to none. In fact, it's the only transmitter in its price range equipped with machined aluminum gimbals.
Powerful AirWare™ Software for Expert Pilots
The Spektrum™ AirWare™ software that comes in the DX20 gives expert pilots all the programming features they could want along with a few they never knew they needed. And its intuitive SimpleScroll™ interface makes navigating menus and changing settings as simple as "roll and click."
The airplane programming includes a multi-engine control option that, when activated, allows you to independently adjust and control up to four engines or motors. You could use it to make individual run-up checks on the ground or synch propeller speeds in flight. It also makes it possible to use asymmetric thrust to tighten the turning radius of large models during ground operations.
ProTrim In-Flight Adjustments
When active, ProTrim will allow you to make small dual rate, expo, mix and differential adjustments in flight.
Programmable Voice Alerts
With voice alerts, you can keep tabs on important functions without ever taking your eyes off what you're flying. They can be programmed to call out what flight mode you've chosen or report telemetry information on demand. If an alarm goes off, you won't have to look at the transmitter display to see what's happening. The DX20 will tell you.
Pro-Class Programming for Sailplanes
In addition to extensive airplane and heli programming, the DX20 has the most impressive sailplane programming features you'll find in any handheld transmitter. Ten available flight modes, 5 wing types, 3 tail types, 2 motor types, flap delay with elevator compensation - it has it all. You even have the ability to adjust individual servo characteristics (end points, travel, center, etc.) for all 20 channels.
Program a sequence of switch-activated events with time delays between each event. For instance, with a flip of the gear switch you could have an auxiliary channel open landing gear doors, then have the retract channel lower the landing gear, followed by the auxiliary channel closing the gear doors after the gear is extended.
Built-In Servo Balancer
No more will you need a complicated network of little boxes littering your fuselage if you want to balance servos. You can precisely balance the output of swashplate servos or multiple servos on a single control surface with the transmitter using a 7-point curve mix.
Wireless Trainer Link
This exclusive Spetkrum technology gives DX20 users the ability to wirelessly link up with other Spektrum transmitters and specially-equipped Spektrum FPV headsets. Once bound to another transmitter or component, ModelMatch™ technology will allow the DX20 to re-link without having to go through the bind process again.
With Wireless Trainer Link, you could:
The enormous capacity of the DX20's on-board memory means you will rarely, if ever, need to juggle models between transmitter memory and your SD card. The model memory menu is easier to navigate too. Only memory slots with model settings saved to them will appear. You won't have to scroll through empty slots or move models around if one is deleted.
Because the DX20 uses the same AirWare™ software as many other Spektrum transmitters, you can share model setups across platforms with almost any Spektrum pilot.
Stay Up to Date
Register your DX20 and receive alerts whenever Spektrum Airware software updates are available. You also gain access to a growing library pre-set model setups for the most popular Horizon Hobby aircraft.
The DX20 has all the programming functions you need to fly everything from collective pitch helis and multi-rotor aircraft to competition sailplanes and giant-scale jets.
Includes AR9020 Receiver with X-Plus™ Technology
Both the DX20 and the AR9020 receiver it comes with have X-Plus channel expansion capabilities. This means you can add up to eight extra channels with an X-Plus channel expansion module (SPMXP8000 - sold separately). Just plug the module into the receiver, bind it and then assign the extra channels to any function you want.
Fly Smarter with Built-In Telemetry.
Built-in telemetry gives you real-time information on things like your model's battery voltage, signal quality, engine or motor temperature, airspeed, altitude and more. You can have the DX20 recite this information on demand using programmable voice alerts. You also have the option of logging telemetry data to the transmitter's SD card for review after the flight.
To use the telemetry function, your model must be equipped with a Spektrum telemetry module and telemetry sensors (all sold separately). You will find there are Spektrum telemetry sensors for tracking just about any model function you can think of, and new ones are being added all the time.
Superior Ergonomics. Made to Fit the Way You Fly.
The weight distribution and ergonomics of the DX20 have been optimized to fit the way you fly. The result is a sense of balance and comfort that perfectly complements the speed and precision of DSMX technology.
Notable features include:
The AMA (Academy of Model Aeronautics) has certified its use at all AMA fields and events when used as per the manufacturer's instructions. In fact, most event directors welcome Spektrum, as it eliminates the issues of frequency management.
DSM or Digital Spectrum Modulation is Spektrum's proprietary method of implementing 2.4GHz spread spectrum technology for the R/C industry. DSM divides the 2.4GHz band into 80 individual channels (frequencies) and incorporates direct sequence spread spectrum with an embedded GUID (Globally Unique Identifier) code. DSM has been painstakingly optimized by our engineers for RC surface and aircraft use, offering the most robust RF link in the industry.
A Natural Evolution
Spektrum launched the 2.4GHz RC revolution. Since then millions of hobbyists the world over have come to embrace 2.4GHz technology as the way to race and fly. Spektrum leads the way yet again with DSMX™; the world's first wideband, frequency-agile 2.4GHz signal protocol and the most advanced spread spectrum RC technology to date.
DSMX is a natural evolution of DSM2™ technology that is the result of several years of development. It builds on what has come before and takes DSM to the next level of robustness, reliability and efficiency without leaving current DSM2 users behind.
What DSMX™ adds to the tried and true wideband technology of DSM2™ is the extra interference protection and faster reconnection times of frequency agility. But DSMX isn't just another frequency hopping system. It’s wideband agile.
DSMX frequency shifts are coordinated using the most advanced FHSS algorithm ever seen in an RC application. Unlike other FHSS transmitters that all hop in the same fixed patterns, every DSMX transmitter has its own unique frequency shift pattern calculated using its GUID (Globally Unique Identifier). And each pattern uses just 23 channels in the 2.4GHz spectrum.
By adding the agility of unique frequency shifts to the superior interference resistance of a wideband signal, and limiting those shifts to a smaller portion of the 2.4 band, DSMX transmitters provide on-channel interference protection that is simply second to none. The result is quicker reconnection times and superb response in the noisiest 2.4GHz environment.
The foundation DSMX is built on is the same foundation as DSM2™ - the superior on-channel interference resistance and coding gain of wideband DSSS. Compared to the wideband signal of a DSM2 or DSMX™ system, the narrow-band signal of other 2.4 transmitters is more likely to suffer crucial data loss in the event of on-channel interference. Think of wideband 2.4 as a river and narrow-band 2.4 as a stream. It takes much more interference to stop a river than it does to stop a stream.
The big reason wideband is so robust is coding gain. Essentially what this means is that the unique coding in a DSM2 or DSMX wideband signal allows it to be heard well above the noise of surrounding 2.4GHz signals without requiring any more power. In fact, a Spektrum wideband signal can achieve as much as 3X the range of its narrow-band competition using the same amount of power.
Yes. DSM2 transmitters are forward compatible with DSMX receivers and DSMX transmitters are backward compatible with DSM2 receivers. And because DSM2 and DSMX share the same wideband DSSS foundation, all Spektrum users will enjoy superior range, speed and precision whether they're using DSM2 equipment, DSMX equipment or a combination of both.
Yes, but DSM2 users who rarely, if ever, fly in big events or other "noisy" 2.4GHz environments may find the DSM2 equipment they have now is all they will ever need. The difference DSMX makes is only apparent when hundreds of 2.4GHz systems are in use at once. To see if your transmitter is eligible for the DSMX add-on, please visit horizonhobby.com, click on the “radios” tab, and select “DSMX addons” for more details.
Spektrum AirWare™ software was developed exclusively by Spektrum from the ground up. This software includes all the programming functions an expert pilot could want, but you don't have to be an expert to use them. It also brings several unique benefits to Spektrum programmable transmitters that simply aren't available on other systems.
The Spektrum™ Data Interface (SDI) is designed for use with standard SD memory cards and adds a whole new level of flexibility and ease-of-use. With the SDI, you will be able to:
Share setups with others who use the same radio as yours or transfer setups from your SD card to your PC and attach them to an e-mail. This makes it easy to gain from the experience of others or help others succeed. With the SDI, memory for thousands of models could be stored on the SD card or transferred to a PC hard drive for backup. And you can stay up to date with SDI, you won't have to send your Spektrum radio into a service center to get the latest Spektrum AirWare™ enhancements. You can download them onto your SD card and upload them to the transmitter yourself.
Yes. DSMX will provide users with these and the many other exclusive Spektrum advantages they already enjoy with DSM2.
The Spektrum™ X-Plus™ 8 module lets you add 8 fully proportional channels to specially equipped Spektrum transmitters and receivers with 10 or more proportional channels. Just plug it into the X-Plus port of a compatible receiver. It is ideal for scale modelers who like to push realism to the extreme with working accessories and lights in addition to the regular control functions. The DX10t and DX18 offer X-Plus.
Spektrum park flyer receivers are designed for small models up to 2 pounds. Spektrum full range receivers are designed to handle any normal RC conditions. You should have no problem maintaining control as long as you maintain direct line-of-sight with your model. If you try to fly behind a group of trees or otherwise obstruct your direct line-of-sight, you could be susceptible to losing your control link.
Technical questions about this Spektrum product should be directed to Horizon Hobby's Product Support Department:
Horizon Hobby, LLC. ATTN: Product Support 4105 Fieldstone Road Champaign, IL 61822
To place a Horizon Hobby Support Inquiry please visit our Inquiry Form Support Phone:(877) 504-0233 Fax:(217) 355-1552
If you would like to purchase this product, please go to the Store Locator or contact the Horizon Hobby Consumer Sales Department:
Horizon Hobby, LLC. ATTN: Consumer Sales 4105 Fieldstone Road Champaign, IL 61822 Email: firstname.lastname@example.org Sales Phone:(800) 338-4639 Fax:(217) 355-1552
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