background image

(c) Purchaser Remedy- Horizon’s sole obligation hereunder shall be that Horizon will, at 

its option, (i) repair or (ii) replace, any Product determined by Horizon to be defective. In 

the event of a defect, these are the Purchaser’s exclusive remedies. Horizon reserves the 

right to inspect any and all equipment involved in a warranty claim. Repair or replacement 

decisions are at the sole discretion of Horizon. This warranty does not cover cosmetic 

damage or damage due to acts of God, accident, misuse, abuse, negligence, commercial use, 

or modification of or to any part of the Product. This warranty does not cover damage due 

to improper installation, operation, maintenance, or attempted repair by anyone other than 

Horizon. Return of any Product by Purchaser must be approved in writing by Horizon before 

shipment.

Damage Limits

HORIZON SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES, 

LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH 

THE PRODUCT, WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE, OR 

STRICT LIABILITY. Further, in no event shall the liability of Horizon exceed the individual price 

of the Product on which liability is asserted. As Horizon has no control over use, setup, final 

assembly, modification or misuse, no liability shall be assumed nor accepted for any resulting 

damage or injury. By the act of use, setup or assembly, the user accepts all resulting liability.
If you as the Purchaser or user are not prepared to accept the liability associated with the 

use of this Product, you are advised to return this Product immediately in new and unused 

condition to the place of purchase.
Law: These Terms are governed by Illinois law (without regard to conflict of law principals).

Warranty Services 

Questions, Assistance, and Repairs

Your local hobby store and/or place of purchase cannot provide warranty support or repair. 

Once assembly, setup or use of the Product has been started, you must contact Horizon 

directly. This will enable Horizon to better answer your questions and service you in the event 

that you may need any assistance. For questions or assistance, please direct your email to 

[email protected], or call 877.504.0233 toll free to speak to a Product 

Support representative. You may also find information on our website at  

www.horizonhobby.com.

Inspection or Repairs

If this Product needs to be inspected or repaired, please use the Horizon Online Repair 

Request submission process found on our website or call Horizon to obtain a Return 

Merchandise Authorization (RMA) number. Pack the Product securely using a shipping carton. 

Please note that original boxes may be included, but are not designed to withstand the 

rigors of shipping without additional protection. Ship via a carrier that provides tracking and 

insurance for lost or damaged parcels, as Horizon is not responsible for merchandise until it 

arrives and is accepted at our facility. An Online Repair Request is available at http://www.

horizonhobby.com under the Repairs tab. If you do not have internet access, please contact 

Horizon Product Support to obtain a RMA number along with instructions for submitting your 

product for repair. When calling Horizon, you will be asked to provide your complete name, 

street address, email address and phone number where you can be reached during business 

hours. When sending product into Horizon, please include your RMA number, a list of the 

included items, and a brief summary of the problem.  A copy of your original sales receipt 

must be included for warranty consideration. Be sure your name, address, and RMA number 

are clearly written on the outside of the shipping carton.

Notice: Do not ship batteries to Horizon. If you have any issue with a battery, please 

contact the appropriate Horizon Product Support office.

Warranty Inspection and Repairs

To receive warranty service, you must include your original sales receipt

 verifying the 

proof-of-purchase date. Provided warranty conditions have been met, your Product will be 

repaired or replaced free of charge. Repair or replacement decisions are at  

the sole discretion of Horizon. 

Summary of Contents for R921X

Page 1: ...JR R921X Receiver User Guide...

Page 2: ...t disassembly use with incompatible components or augment product in any way without the approval of Horizon Hobby Inc This manual contains instructions for safety operation and maintenance It is esse...

Page 3: ...ime During these tests each of the 100 systems was monitored in flight and on the ground In every test not a single case of RF link loss latency increase or control degradation was experienced or reco...

Page 4: ...70mA Voltage range 3 5 to 9 6V Installing the R921X Receiver The R921X incorporates dual internal receivers and one or two remote receivers offering the security of up to four simultaneous RF links fo...

Page 5: ...erally enough room on the servo tray to achieve the necessary separation If space is limited a mount can be made using clear plastic to mount the external antenna R921X Binding Instructions The R921X...

Page 6: ...ve the bind plug and store it in a convenient place 5 After you ve programmed your model it s important to rebind the system 6 so the true low throttle and neutral control surface positions are progra...

Page 7: ...safe positions are stored in the receiver during binding At this time the throttle channel has no output to avoid operating or arming the electronic speed control In glow powered models the throttle s...

Page 8: ...r hold your aircraft while he observes the Flight Log data 4 Standing 30 paces away from the model face the model with the transmitter in your normal flying position and depress and hold the bind butt...

Page 9: ...en 45 continuous one right after the other frame losses occur This takes about one second If a hold occurs during a flight it s important to re evaluate the system moving the antennas to different loc...

Page 10: ...ay not be able to maintain voltage at significant power levels 4 For really large aircraft or complex models for example 35 and larger or jets multiple battery packs with multiple switch harnesses are...

Page 11: ...Horizon directly This will enable Horizon to better answer your questions and service you in the event that you may need any assistance For questions or assistance please direct your email to products...

Page 12: ...nter 4105 Fieldstone Road Champaign Illinois 61822 USA Online Repair Request visit www horizonhobby com repairs All other Products requiring warranty inspection or repair should be shipped to the foll...

Reviews: