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The DX4S DSMR™ 4-Channel AVC™ surface radio system gives everyone from entry-level RC drivers
to hardcore backyard bashers an impressive list of programming features plus the amazing stability of AVC
(Active Vehicle Control™) technology. When AVC technology is in use, the first two channels of the DX4S
operate steering and throttle. The second two let you independently adjust the amount of steering and
throttle assistance AVC technology provides. This makes it easy to dial in the perfect amount of stability
for different types of surface conditions and terrain.
Using sensors and exclusive software, patent-pending AVC technology calculates a vehicle’s attitude many
times per second and makes instantaneous corrections to steering and throttle so it stays precisely on the
trajectory you command. The amount of steering and throttle stability provided can be adjusted to suit your
skill level or driving style. Best of all, driving with AVC technology feels completely natural. There is
no lag in response or limits on your control. You simply feel like you’re driving a finely tuned vehicle
that handles beautifully at every speed.
For complete details about this amazing tech-nology, visit the AVC Technology page.
The waterproof SRS4210 lets you add the advantages of AVC technology to any RC car, truck or buggy.* It does
so by combining the superb range and signal security of a 4-channel DSMR receiver with an AVC system in a single,
lightweight unit. Installation is easy and no complex setup is required. Simply bind it to a Spektrum surface
transmitter that’s compatible with AVC technology and calibrate.
When the AVC system is active, the SRS4210 functions as a standard 2-channel receiver, with the AVC system using
the extra channels to let you independently adjust the amount of steering and throttle stabilization. When the
AVC system is not in use, the SRS4210 will function as a standard 4-channel receiver with any DSMR or DSM2® transmitter,
allowing you to use the two extra channels for things like lights or gear shifting.
*Use of AVC receivers with RC boats is not recommended.
The DX4S is built around frequency-agile, DSMR 2.4GHz technology. This exclusive Spektrum™ technology can be
used in any type of surface application. Its range and response, particularly in noisy 2.4GHz environments, are superb.
It's also backwards compatible with DSM2® Spektrum receivers. Longtime Spektrum users won't
need to replace the receivers they have unless they want the frequency-agility of a DSMR receiver or AVC functionality.*
The available ABS (anti-lock braking system) programming lets you fine-tune braking action for different track conditions.
The slider monitor lets you see the effects of your changes.
DX4S software includes pre-set mixes for popular features like 4-wheel steering. Two user-defined mixes are also available.
Monitor battery voltage, motor or engine temperature, motor rpm and more in real time on the backlit LCD screen.
You can program alerts for when specific values exceed limits you define.
Adjust or inhibit specific system sounds and alerts without affecting others.
The sleek, integrated antenna provides excellent range and is incredibly durable.
In addition to the AVC receiver that’s already included, the DX4S AVC system comes with an SR410 4-channel DSMR sport
receiver at no extra charge. The SR410 can be used in all kinds of RC vehicles from minis to monster trucks and features
a Reliakote™ conformal coating that seals its electronics from the elements and other corrosives like nitro methane and
Note: A telemetry receiver and sensors are required to use the telemetry features of this transmitter. These items are sold separately.
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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