I AR7100/AR7100R User Guide
Contents
1. 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 con trol 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 25 Safety Precautions This is a sophisticated hobby Product and not a toy It must be operated with caution and common sense and requires some basic mechanical ability Failure to operate this Product in a safe and responsible manner could result in injury or damage to the Product or other property This Product is not intended for use by children without direct adult supervision The Product manual contains instructions for safety operation and maintenance It is essential to read and follow all the instructions and warnings in the manual prior to assembly setup or use in order to operate correctly and avoid damage or injury Questions Assistance and Repairs Your local hobby store and or place of purchase cannot pro2. i 2010 Horizon Hobby Inc 4105 Fieldstone Road Champaign IL 61822 USA Horizon Hobby UK Units 1 4 Ployters Rd Staple Tye Harlow Essex CM18 7NS United Kingdom Horizon Hobby Deutschland GmbH Hamburger Strasse 10 25335 Elmshorn Germany US patent 7 391 320 Other patents pending DSM and DSM2 are trademarks or registered trademarks of Horizon Hobby Inc The Spektrum trademark is used with permission of Bachmann Industries Inc Spektrum radios and accessories are exclusively available from Horizon Hobby Inc Revised 12 09 12848 2 AAAA YAN oona z 5PEKTROMI E AR7100 AR7100R User Guide O5PEKTROM Introduction spektrum s AR7100 series receivers offer the ultimate system for high performance nitro or 500 class and larger electric helicopters Combining the bullet proof radio link of Spektrum s DSM2 technology with a built in regulator for the Rudder Aux2 Gear and Throttle channels and an integrated RevLimit limiter AR7100R only the AR7100 series receivers make installation of these normally complex devices clean and simple The AR7100 features a Fail On soft switch to ensure reliability and heavy 16AWG low resistance input power leads for uninterrupted power even under the most demanding high current draw applications The newly developed backplate rom sensor makes this integrated receiver limiter and regulator system the easiest and neatest possible to install with only one external rom sensor l
3. AR7100R has a minimum recommended operational battery voltage of 5 5 volts and is designed to use 6 volt 5 cell NiMH 7 2 volts 6 cell NIMH or 7 4 volt 2 cell LiPo batteries Higher voltage should be used only if the servos are compatible While the AR7100 will continue to operate down to 3 5 volts the AR 100 AR7100R features a built in 5 2 volt regulator for the Rudder Aux 2 Gear 2 Throttle 2 channels output A 4 cell 4 8 volt battery will not provide sufficient headroom voltage margin to maintain a 5 2 regulated voltage Regulated outputs are provided to allow the gyro gyro gain and throttle to be operated at the necessary lower voltage while the cyclic servos aileron elevator and pitch are powered directly by the pack voltage typically 5 cell 6 volt NiMH or if high voltage compatible servos are used 2 cell 7 4 volt LiPo batteries Battery Capacity It is important to select a battery that has more than adequate capacity to provide the necessary flight time Our staff has been recording in flight data to determine typical current consumption of aircraft in flight The following graph illustrates a T REX Nitro 600 during aggressive 3D flight Helicopter T REX 600N servos 3 JR8717 s 1 8900G rudder 1 8317 throttle Batteries 1 2100mAh 2 cell 7 4 volt LiPo Engine YS50 Flight envelope Aggressive 3D Average current 1 15 amps Peak current 3 33 amps Milliamps used per 8 minute flight 173mAh File trex60
4. 0 Session All Sessions In the above example the average current was 1 15 amps which calculates to 153mAh per 8 minutes typical flight length It s recommended that only 60 of the available capacity be used to ensure plenty of reserve battery capacity In this example using 2000mAn batteries 2000 x 60 1200mAh available usable capacity divided by the capacity used per 8 minute flight 153mAh would allow up to 7 flights of 8 minutes each Spektrum AR7100 Recommended Guidelines for Battery Capacity For 50 size electric and glow powered helicopters a minimum capacity of 2000mAn is recommended For 90 size helicopters a minimum of 3000mAh is recommended Our staff uses 2000mAh LiPos in 50 size helis and 4000mAh LiPos in 90 size machines and typically flies 4 or 5 flights then recharges Following is a picture of a typically recommended installation J Spektrum AR 100 Installation e Mount the Receiver unit in the position recommended by the helicopter manufacturer Foam or thick double sided tape is recommended to isolate the receiver from vibration e Mount the switch and insert the switch plug into the port in the main unit marked SWITCH Note The AR7100 AR7100R uses a specifically designed switch Conventionally wired switches are not compatible with the AR 100 e Using the battery capacity guidelines select the battery system that best fits your application and install the battery in your heli Connect
5. Spektrum AR 100 e Plug the servo leads and rom sensor into the appropriate ports in the receiver e You are now ready to bind the system Note In order for the system to operate one remote receiver must be plugged into receiver port B or R Connections Note The throttle and gear channels have two outputs Output 1 is unregulated and the pack voltage is provided at this port Throttle and Gear outputs 2 are regulated to 5 2 volts when a throttle servo and gyro are used that are not compatible with high voltage Most gyros require less than 6 volts Binding It is necessary to program the receiver to the transmitter so that the receiver will only recognize that specific transmitter ignoring signals from any other sources If the receiver is not bound to the transmitter the system will not operate During binding the servoss failsafe positions are stored How To Bind 1 With the system hooked up and at least one remote receiver attached to port B or R as described previously insert the bind plug in the DATA BIND port NO Power the receiver by plugging a battery into the battery lead and turning on the soft switch if being used Note that the LEDs on all receivers should be flashing indicating that the receiver is ready to bind Se Establish the desired failsafe stick positions normally low throttle low pitch and cyclic controls neutral Please see the Failsafe Functions section for more info
6. ackplate This can be easily accomplished by loosening the 2 56 button head screw on the sensor mount re adjusting the position and then tightening This should resolve the issue Install the servos in their appropriately labeled ports Note The throttle and gear channels have two outputs Output 1 is unregulated and the pack voltage is provided at this port Throttle and Gear outputs 2 are regulated to 5 2 volts when a throttle servo and gyro are used that are not compatible with high voltage Most gyros require less than 6 volts Spektrum AR7 100 Modes of Operation The RevLimit target rom is adjusted thru the Gear channel channel In the travel adjust screen two values can be selected that will 5 output correspond with the desired rom Note that two different roms can be selected or if one value is programmed to zero the RevLimit will be turned off when the AUX2 switch is in that position Important When calibrating the system the AUX2 channel must remain at 100 in both directions DX7 If using the DX7 the following is recommended In system setup mode program AUX2 to GYRO and GEAR to AUX2 the RevLimit will be controlled and adjusted via the AUX2 switch and all the target rom s will be adjusted using the GEAR channel travel adjust CTRAVEL ADIUSTI 1 a a Note The Gyro Gain channel will plug into the AUX2 channel and the gyro screen will be used to adjust the gyro gain see the DX7 manual for more detail on gy
7. clearly written on the outside of the shipping carton Spektrum AR7 100 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 Hobby Non Warranty Repairs Should your repair not be covered by warranty the repair will be completed and payment will be required without notification or estimate of the expense unless the expense exceeds 50 of the retail purchase cost By submitting the item for repair you are agreeing to payment of the repair without notification Repair estimates are available upon request You must include this request with your repair Non warranty repair estimates will be billed a minimum of hour of labor In addition you will be billed for return freight Please advise us of your preferred method of payment Horizon accepts money orders and cashiers checks as well as Visa MasterCard American Express and Discover cards If you choose to pay by credit card please include your credit card number and expiration date Any repair left unpaid or unclaimed after 90 days will be considered abandoned and will be disposed of accordingly Please note non warranty repair is only available on electronics and model engines 26 Warranty continued United States Elec
8. e 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 400GHZz to 2 4835GHz frequency range Spektrum AR7 100 Compliance Information for the European Union Instructions for Disposal of WEEE by Users in the European Union This product must not be disposed of with other ME waste Instead it is the user s responsibility to dis pose of their waste equipment by handing it over to a designated collection point for the recycling of waste electrical and electronic equipment The separate collection and recycling of your waste equipment at the time of disposal will help to conserve natural resources and ensure that it is recycled in a manner that protects human health and the environment For more information about where you can drop off your waste equipment for recycling please contact your local city office your household waste disposal service or where you purchased the product 28 Warranty continued Declaration of Conformity in accordance with ISO IEC 17050 1 No HH20091208U3 Products Spektrum AR 100 7 Channel DSM2 Heli Receiver AR7100R 7 Channel DSM2 Heli Receiver with RevLimit Item Number s SPMAR 7100 SPMAR7100R Equipment class 1 The objects of declaration described above are in confo
9. ead for the limiter Designed and developed by helicopter experts the all in one integrated design of the AR 100 takes the hassle out of installing and properly setting up Separate receivers regulators and limiters Applications All sizes of nitro powered helicopters 500 class and larger electric helicopters Compatible with all Spektrum and JR DSM2 full range transmitters including Spektrum DX6i RevLimit function not available as only six channels are present Spektrum DX7 JR X9303 2 4 JR12X Note Not compatible with Spektrums DX6 parkflyer system DSM Spektrum AR 100 Features e Regulated 5 2 voltage output to the Rudder Gear Aux 2 and Throttle channels allowing the cyclic servos to be powered at high voltage for increased performance while the gyro and throttle Servos are powered by the necessary compatible lower voltage 5 2V e AR 100R incorporates an integrated RevLimit limiter with backplate rom sensor offering the cleanest easiest installation available e Easy to mount backplate RevLimit rom sensor with a single lead that plugs into the receiver eliminates the hassle of mounting magnets and brackets as is the case for typical rom sensors e Heavy duty 16AWG input leads pre wired with EC3 connector e Dual outputs on the Throttle and Aux 2 channels regulated to 5 2 volts unregulated e One internal receiver and up to two remote receivers e Softswitch fails on if the switch is damaged e Optiona
10. f a bit of information on that specific antenna Typically it s normal to have as many as 50 to 100 antenna fades during a flight If any single antenna experiences over 500 fades in a single flight the antenna should be repositioned in the aircraft to optimize the RF link Spektrum AR7100 Advanced Range Testing Using a Flight Log continued Frame loss represents simultaneous antenna fades on all attached receivers If the RF link is performing optimally frame losses per flight should be less than 20 A hold occurs when 45 consecutive frame losses occur This takes about one second If a hold occurs during a flight it s important to evaluate the system moving the antennas to different locations and or checking to be sure the transmitter and receivers are all working correctly Note A servo extension can be used to allow the Flight Log to be plugged in more conveniently without having to remove the helicopters canopy On some models the Flight Log can be plugged in attached and left on the model using double sided tape Mounting the Flight Log conveniently to the side frame is common with helicopters Spektrum AR 100 14 RevLimit Instructions AR7100R only The Spektrum AR 100R features an integrated RevLimit limiter The RevLimit functions as a digital rom limiter preventing the main rotor from over speeding When the rotor speed is at or below the programmed rpm throttle position is controlled via the radio i e t
11. hrottle curves The RevLimit only engages when the rotor rom exceeds the programmed rom reducing the throttle position preventing over speed The RevLimit limiter is designed to limit engine speed between 9 500 and 20 500 rpm Engine rom Rotor rom Main gear ratio Servo Requirements All common three wire servos analog and digital are compatible and can be used for the throttle servo Note that two throttle channel outputs are available unregulated and regulated The unregulated throttle operates at the battery voltage The regulated throttle is regulated to 5 2 volts and is to be used when a high voltage compatible servo is not being used for throttle control 15 Connections The RevLimit is totally integrated and the target rom is adjusted via the Gear channel channel 5 The only external connection needed is to mount the backplate rom sensor to the backplate of your engine using two backplate screws Note that the rom sensor mount has two positions extended for 90 size engines and retracted for 50 size engines When installed correctly the rom sensor should just contact the backplate On some engines and specifically the YS 50 and 90 the sensors must be spaced 5 to 1mm from the backplate No additional magnets or brackets are needed The rpm sensor picks up the magnetic effect of the crankpin as it passes the rom sensor If your system is not limiting RPM in flight re position the sensor 5 to 1mm away from the b
12. imes the system takes longer to connect and sometimes it doesn t connect at all A In order for the system to connect after the receiver is bound the receiver must receive a large number of consecutive uninterrupted perfect packets from the transmitter in order to connect This process is purposely critical of the environment ensuring that it s safe to fly when the system does connect If the transmitter is too close to the receiver less that 4 ft or if the transmitter is located near metal objects metal TX case the bed of a truck the top of a metal work bench etc connection will take longer and in some cases connection will not occur as the system is receiving reflected 2 4GHz energy from itself and is interpreting this as unfriendly noise Moving the system away from metal objects or moving the transmitter away from the receiver and powering the system again will cause a connection to occur This only happens during the initial connection Once connected the system is locked in and should a loss of signal occur failsafe the system connects immediately 4ms when Signal is regained 22 Tips on Using 2 4GHz Systems continued 3 Q I ve heard that the DSM system is less tolerant of low voltage Is this correct A All DSM receivers have an operational voltage range of 3 5 to 9 volts With most systems this is not a problem as in fact most servos cease to operate at around 3 8 volts When using multiple high current draw ser
13. in the bind port and then the receiver is powered up The LEDs in each receiver should blink indicating that the receiver is in bind mode Now before binding the receiver to the transmitter and with the receiver in bind mode remove the bind plug The LEDs will continue to blink With the control sticks and switches in the desired failsafe positions bind the transmitter to the receiver by putting the transmitter module into bind mode The system should connect in less than 15 seconds The receiver is now programmed for preset failsafe Note Failsafe positions are stored via the stick and switch positions on the transmitter during binding Spektrum AR7100 Standard Range Testing Before each flying session and especially with a new model it s important to perform a range check All Spektrum aircraft transmitters incorporate a range testing system which reduces the output power allowing a range check Range Testing 1 With the model resting on the ground stand 30 paces approx 90 feet away from the model 2 Face the model with the transmitter in your normal flying position and put your transmitter into range test mode This causes reduced power output from the transmitter 3 You should have total control of the model while in range check mode at 30 paces 90 feet 4 f control issues exist call the Horizon Product Support department at 1 877 504 0233 for further assistance 30 paces 90 feet Spektrum AR 100 Adva
14. l charge ON OFF adaptor lead included allows charging battery monitoring and ON OFF through one easily accessible lead e Two types of failsafe SmartSafe throttle only and conventional failsafe all Servos e Quick Connect If a power interruption brown out occurs the system reconnects in less than 25 seconds e Flight Log compatible Spektrum AR7 100 e Compatible with all Spektrum and JR DSM2 full range radio systems e 2048 Resolution Note The AR7100 AR7100R uses a specifically designed switch Conventionally wired switches are not compatible with the AR7100 Features continued Important The AR7100 and AR 100R require that at least one remote receiver included be plugged into port B or R to operate Specifications AR7100 AR7100R Voltage input 6 0 to 10 0 volts 5 to 7 cell NIMH or 2 cell LiPo Minimum receiver operational voltage 3 5 volts Minimum regulator operational voltage 5 5 volts Output voltage Rudder Aux 2 Throttle 2 Gear 2 5 2 volts all other channels unregulated for high voltage compatible servos only Max regulated channel current 2 amp continuous Resolution 2048 Dimensions LxWxH 47 3x40 2x14 2mm 1 86x 1 58x 56 in Weight 1 1 oz 32 5 g Switch Soft Switch Switch port can also be used with charge adaptors included Connector type EC3 Note When the battery is connected to the AR 1000 AR7100R a low current drain of less than 1mA occurs even when the s
15. llows you to evaluate the performance of each receiver Antenna fades should be relatively uniform If a specific antenna is experiencing a high degree of fades then that antenna should be moved to a different location 7 A successful advanced test will yield the following H 0 holds F less than 10 frame losses A B R Antenna fades will typically be less than 100 It s important to compare the relative antenna fades and if a particular receiver has a significantly higher number of fades 2 to 3X then the test should be redone If the same results occur move the offending receiver to a different location Flight Log SPM9540 Optional The Flight Log is compatible with the AR 100 AR7100R The Flight Log displays overall RF link performance as well as the individual internal and external receiver link data Additionally it displays receiver voltage Using the Flight Log After a flight and before turning off the receiver or transmitter plug the Flight Log into the Data port on the AR7100 AR 100R The screen will automatically display voltage e g 6v2 6 2 volts Note When the voltage reaches 4 8 volts or less the screen will flash indicating low voltage Press the button to display the following information A Antenna fades on the internal antenna B Antenna fades on the left external antenna L Not used R Antenna fades on the right external if used F Frame loss H Holds Antenna fades represents the loss o
16. ms all other warranties express or implied b Limitations HORIZON MAKES NO WARRANTY OR REPRE SENTATION EXPRESS OR IMPLIED ABOUT NON INFRINGE MENT MERCHANTABILITY OR FITNESS FOR A PARTICULAR Spektrum AR7 100 PURPOSE OF THE PRODUCT THE PURCHASER ACKNOWLEDGES THAT THEY ALONE HAVE DETERMINED THAT THE PRODUCT WILL SUITABLY MEET THE REQUIREMENTS OF THE PURCHAS ER S INTENDED USE 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 goods by Purchaser must be approved in writing by Horizon before shipment 24 Warranty continued Damage Limits HORIZON SHALL NOT BE LIABLE FOR SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES LOSS OF PROFITS OR PRODUC TION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCT WHETHER SUCH CLAIM IS BASED IN CONTRACT
17. nced Range Testing Using a Flight Log The following advanced range check will confirm that internal and remote receivers are operating optimally and that the installation position of the receivers is optimized for the specific aircraft This Advanced Range Check allows the RF performance of each receiver to be evaluated and to optimize the locations of each individual remote receiver Advanced Range Testing 1 Plug a Flight Log SPM9540 optional into the data port in the AR7100 and turn on the system Tx and Rx 2 Advance the Flight Log until F frame losses are displayed by pressing the button on the Flight Log 3 Have a helper hold your helicopter while he observes the Flight Log data 4 Standing 30 paces away from the helicopter face the model with the transmitter in your normal flying position and put your transmitter into range test mode This causes reduced power output from the transmitter 5 Have your helper position the model in various orientations nose up nose down nose toward the Tx nose away from the Tx etc while your helper watches the Flight Log noting any correlation between the aircraft s orientation and frame losses Do this for 1 minute The timer on the transmitter can be used here 12 Advanced Range Testing Using a Flight Log continued 13 6 After one minute a successful range check will have less than ten recorded frame losses Scrolling the Flight Log through the antenna fades A B R a
18. oft switch is turned off If the system is going to be stored for any length of time its important that the battery be disconnected from the AR7100 to prevent overdischarge Remote Receiver Dimensions LxWxH 25 8x20 2x6 8mm 1 02x 80x 27 in Weight 0 1 oz 5 0 g Items Included AR 100 AR7100R Receiver Remote Receiver SPM9545 9 Remote Extension Lead SPM9011 Soft Switch SPM6820 Charge ON OFF Adaptor Lead SPM6821 Spektrum AR7100 Features continued Backplate Rom Sensor AR7100R only SPM6823 Bind Plug SPM6803 Instruction Manual Optional Items e Batteries LiPo Receiver Pack 1350mAh SPMB1350LP LiPo Receiver Pack 2000mAh SPMB2000LP LiPo Receiver Pack 4000mAh SPMB4000LP LiPo Receiver Pack 6000mAh SPMB6000LP 1650mAh 6 0V NiMH Receiver Pack SPMB1650NM 2150mAh 6 0V NiMH Receiver Pack SPMB2150NM 2700mAh 6 0V NiMH Receiver Pack SPMB2700NM 4500mAh 6 0V NiMH Receiver Pack SPMB4500NM e Flight Log Data Recorder SPM9540 e Additional Remote Receiver SPM9545 e 6 Remote Receiver Extension SPM9010 e 9 Remote Receiver Extension SPM9011 e 12 Remote Receiver Extension SPM9012 e 24 Remote Receiver Extension SPM9013 Consult your servo manufacturers specifications for maximum allowable voltage Spektrum AR 100 Battery Requirements IMPORTANT Do not use a 4 cell 4 8 volt battery to power the AR7100 AR7100R Because of the built in regulator the AR7100
19. on rotate the engine over by hand and note the SENS LED on the receiver When the crankpin passes the rom sensor the SENS LED will light red indicating the rom sensor is working properly Calibration continued 20500 rpm 19 Setting a Target RPM The Gear channel s output sets the target rom See the diagram below Note that the limiter is turned off from 0 to 5 and the target rom is increased as the travel adjust limiter setting is increased Also note that the rom increases above and below 5 Using the servo monitor is a helpful way of verifying adjustment Adjust the gear channel s travel adjust DX7 or the limiter program to Select the desired target rpm s Fig Auxiliary Channel ATV to Target Speed 20500 rpm 5 1a La i a 100 100 on vr RPM 2 5 0 5 RPM 1 Example Engine RPM Travel Adjust 100 17340 Adjusting Throttle Curves During the initial flights a slightly elevated throttle curve that will give a headspeed of approximately 50 rom above the target rpm is recommended After operation is verified some pilots use a 100 throttle curve in stunt mode and allow the RevLimit to fully regulate the engine rom Remember that flipping into normal mode and low throttle will deactivate the limiter should an issue occur How the Limiter Works The RevLimit waits for the engine to reach the target rom set by the Gear channel output When the target
20. onnector a bad switch an inadequate BEC when using an electronic speed controller etc Brownouts occur when the receiver voltage drops below 3 2 volts thus interrupting control as the Servos and receiver require a minimum of 3 2 volts to operate How Brownout Detection Works When the receiver voltage drops below 3 2 volts the system drops out ceases to operate When power is restored the receiver will immediately attempt to reconnect to the last two frequencies that it was connected to If the two frequencies are present the transmitter was left on the system reconnects typically in about 4ms The receiver will then blink indicating a brownout has occurred If at any time the receiver is turned off then back on and the transmitter is not turned off the receiver will blink as a power interruption was induced by turning off the power to the receiver In fact this simple test turning off then on the receiver will allow you to determine if your system s brownout detection is functioning Note If a brownout occurs in flight it is vital that the cause of the brownout be determined and corrected QuickConnect and Brownout Detection are designed to allow you to safely fly through most short duration power interruptions However the root cause of these interruptions must be corrected before the next flight to prevent catastrophic safety issue Spektrum AR 100 Tips on Using 2 4GHz Systems While your DSM equipped 2 4GHz system is intuiti
21. right Spektrum AR 100 10 Failsafe Instructions 11 The AR7100 AR7100R feature two types of failsafe SmartSafe and Preset Failsafe SmartSafe This type of failsafe is recommended for most types of helicopters When the transmitter and receiver are turned on the receiver connects to the transmitter and normal control of all channels occurs If loss of signal occurs SmartSafe drives the throttle servo only to its preset failsafe position low throttle that was set during binding All other channels hold their last position When the signal is regained the system immediately less than 4 ms regains control Preset Failsafe When the transmitter and receiver are turned on and after the receiver connects to the transmitter and normal control of all channels occurs if loss of signal occurs preset failsafe drives all servos to their preset failsafe positions Some pilots prefer this method but normally omartSafe is recommended for helicopters When the signal is regained the system immediately less than 4 ms regains control Programming SmartSafe During the binding process the bind plug is left in throughout the process and is removed only after the receiver connects to the transmitter After the connection is made confirmed by operating the servos the bind plug can be removed The receiver is now programmed for SmartSafe Programming Preset Failsafe During the binding process the bind plug is inserted
22. rmation about setting SmartSafe and PreSet Failsafe functions A Follow the procedures of your transmitter to enter it into bind mode The system will connect within a few seconds The LEDs on all receivers should go solid indicating the system has connected On Remove the bind plug and store it in a convenient place A blue light on the main unit and an amber light on the remote receiver should turn on indicating the system is powered Check servo operation 6 After you ve programmed your model it s important to rebind the system so the true low throttle and neutral control surface positions are stored in the receiver Spektrum AR7100 Optional Charge ON OFF Adaptor Lead Included with the system is an optional charge ON OFF adaptor lead some heli pilots may prefer to use this adaptor lead instead of the included Soft Switch When plugged into the receiver s switch port this adaptor lead allows the following e The battery can be charged through the adaptor lead e The system can be turned off by inserting the bind plug Removing the bind plug turns the system on e Battery voltage can be monitored through the adaptor lead using a Flight Log or voltmeter If the voltmeter is plugged directly into the male male extension the system is active and voltage under load system operational is displayed If plugged into the charging lead the at rest battery voltage is displayed Install the adaptor lead as shown to the
23. rmity with the requirements of the specifications listed below following the provi sions of the European R amp TTE directive 1999 5 EC EN 301 489 1 v 1 6 1 General EMC requirements for Radio equipment EN 301 489 17 v 1 2 1 Signed for and on behalf of Horizon Hobby Inc Hep G Det Champaign IL USA Steven A Hall Dec 08 2009 Vice President International Operations and Risk Management Horizon Hobby Inc 29 Spektrum AR 100 Spektrum AR7 100 30 tN
24. ro gain settings Spektrum AR7100 16 Modes of Operation continued JR X9303 2 4GHz If using the JR X9303 2 4GHz the following is recommended In System mode under device activate the limiter program by selecting GOV under the Gear channel The RevLimit will then be controlled and adjusted via the Limiter screen located in function mode A target rom is available for each flight mode 0 turns off the limiter while the larger the value the higher the target rom Note The Gyro Gain channel will plug into the Gear channel and the gyro screen will be used to adjust the gyro gain See the X9303 manual for more detail on Gyro Gain settings JR 12X 2 4GHz If using the JR 12X the following is recommended In System mode in code 17 Device Select Assign the GOV to the gear channel This will activate the governor programming code 45 in the function mode The RevLimit will then be controlled and adjusted via the Governor screen code 45 located in function mode A target rom is available for each flight mode 0 turns off the limiter while the larger the value the higher the target rom POE DP Be aL EL LL EI EL LI LO OE A SE NN i ce me RS Bn a BMA Spektrum AR7100 Calibration Important When calibrating the system the limiter percentages must be adjusted to 100 normal and 100 in ST1 During calibration the RevLimit stores the output limits of the Gear channel It s necessary to adjust the Gear channel outpu
25. rom is exceeded the limiter will smoothly take over the throttle channel regulating the engine directly If the rom drops below the target speed then normal control will be transferred to the throttle channel The RevLimit will only limit the throttle if all of the following conditions have been met 1 The rom sensor throttle and gear channel are adjusted and operating correctly 2 Ihe RevLimit has been calibrated 3 The throttle is above 25 4 The gear channel output is greater than 5 5 The target rom has been reached Spektrum AR7100 How the Limiter Works continued The RevLimit will pass control back to the throttle channel controlled by the throttle curves if any of the following occurs 1 The throttle stick output is below 25 2 The Gear channel output is less than 5 travel adjust or limiter setting 3 The rpm sensor fails The Spektrum AR7100R RevLimit feature employs technology exclusively licensed to Horizon Hobby Inc from Model Avionics Spektrum AR 100 20 QuickConnect with Brownout Detection The remote receiver included with the AR7100 and AR7100R feature QuickConnect with Brownout Detection Should a power interruption occur brownout the system will reconnect immediately when power is restored and the LEDs on each connected receiver will flash indicating a brownout power interruption has occurred Brownouts can be caused by an inadequate power supply weak battery or regulator a loose c
26. t to 100 in both directions during calibration 1 Adjust the throttle operation so that the servo travel is near 100 in both directions at full throttle and at full idle This may require lengthening or shortening the servo horn 2 Make sure that the Gear channel is traveling 100 in both directions when the switch that controls the limiter is flipped flight mode on the X9303 2 4GHz or Aux 2 on the DX7 The servo monitor is helpful here 3 Set the throttle trim to the low off position 4 With the throttle stick at low throttle turn on the transmitter then turn on the receiver within three seconds toggle the switch that will control the limiter The ACT LED on the receiver will flash green indicating that the calibration mode is successfully entered Spektrum AR7100 5 Raise and lower the throttle stick throughout its full range The throttle endpoint will be stored 6 Exit the calibration mode by toggling the controlling switch twice The ACT LED will stop flashing indicating a successful calibration was achieved 7 To verify correct calibration lower the throttle stick below the 25 position and the ACT LED should turn off Above 25 the ACT LED green should be on Note Calibration only needs to be performed when first setting up the RevLimit or when changing throttle servo throws or if the unit is installed in another helicopter To Verify the RPM Sensor is Functioning With the system calibrated and turned
27. the battery to the receiver s EC3 connector Spektrum batteries are pre wired with an EC3 connector and plug directly in If using another brand of battery it will be necessary to solder EC3 connectors to the battery leads e Using double sided foam tape and tie wrap mount a minimum of 1 and up to 2 remote receivers in your aircraft and plug them into the receiver ports NOTE It s necessary that one receiver be plugged into port B or R in order to operate The receiver should be mounted at least 2 away from the main receiver with the antennas perpendicular e f using the RevLimit Limiter AR7100R only mount the rom sensor and bracket to the backplate under two backplate screws of your engine as shown Spektrum AR7100 Installation continued Important Normally the pickup is mounted touching the backplate of the engine If your system is not limiting RPM in flight re position the sensor 5 to 1mm away from the back plate This can be easily accomplished by loosening the 2 56 button head screw on the Sensor mount re adjusting the position and then tightening This should resolve the issue Note Threadlock must be used on the screws The rpm sensor bracket is adjustable for 50 size or 90 size engines by extending or retracting the rom sensor and fastening the screw in place Le 2 d PA Bracket adjusted for 90 size engine Bracket adjusted for 50 size engine 7
28. tronics and engines requiring inspection or repair should be Shipped to the following address Horizon Service Center 4105 Fieldstone Road Champaign Illinois 61822 USA All other products requiring warranty inspection or repair should be shipped to the following address Horizon Product Support 4105 Fieldstone Road Champaign Illinois 61822 USA Please call 877 504 0233 or e mail us at Productsupport horizonhobby com with any questions or concerns regarding this product or warranty 27 European Union Electronics and engines requiring inspection or repair should be shipped to the following address Horizon Hobby UK Units 1 4 Ployters Rd Staple Tye Harlow Essex CM18 7NS United Kingdom Please call 44 0 1279 641 097 or e mail us at Sales horizonhobby co uk with any questions or concerns regarding this product or warranty Horizon Technischer Service Hamburger Str 10 25335 Elmshorn Germany Please call 49 4121 46199 66 or e mail us at service horizonhobby de with any questions or concerns regarding this product or warranty Spektrum AR 100 Warranty continued FCC Information 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 th
29. ustomers that didn t fully understand the range test process and pushed the bind button before turning on the transmitter also causing the system to lose its bind If the system fails to connect one of the following has occurred e The transmitter is near conductive material transmitter case truck bed etc and the reflected 2 4GHz energy is preventing the system from connecting See 2 above e The transmitter was put into bind mode knowingly or unknowingly causing the transmitter to no longer recognize the receiver Spektrum AR 100 Warranty Warranty Period Exclusive Warranty Horizon Hobby Inc Horizon warranties that the Products purchased the Product will be free from defects in materials and workmanship for a period of 1 year from the date of purchase by the Purchaser 1 Year Limited Warranty Horizon reserves the right to change or modify this warranty without notice and disclaims all other warranties express or implied a This warranty is limited to the original Purchaser Purchaser and is not transferable REPAIR OR REPLACEMENT AS PRO VIDED UNDER THIS WARRANTY IS THE EXCLUSIVE REMEDY OF THE PURCHASER This warranty covers only those Products purchased from an authorized Horizon dealer Third party transactions are not covered by this warranty Proof of purchase is required for warranty claims Further Horizon reserves the right to change or modify this warranty without notice and disclai
30. ve to operate functioning nearly identically to 72MHz systems following are a few common questions from customers 1 Q Which do turn on first the transmitter or the receiver A If the receiver is turned off first all servos except for the throttle will be driven to their preset failsafe positions set during binding At this time the throttle channel doesn t output a pulse position preventing the arming of electronic speed controllers or in the case of an engine powered aircraft the throttle servo remains in its current position When the transmitter is then turned on the transmitter scans the 2 4GHz band and acquires two open channels Then the receiver that was previously bound to the transmitter scans the band and finds the GUID Globally Unique Identifier code stored during binding The system then connects and operates normally If the transmitter is turned on first the transmitter scans the 2 4GHz band and acquires two open channels When the receiver is then turned on for a short period the time it takes to connect all servos except for the throttle are driven to their preset failsafe positions while the throttle has no output pulse The receiver scans the 2 4GHz band looking for the previously stored GUID and when it locates Spektrum AR7 100 the specific GUID code and confirms uncorrupted repeatable packet information the system connects and normal operation takes place Typically this takes 2 to 6 seconds 2 Q Somet
31. vide 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 productsupport horizonhobby com or call 877 504 0233 toll free to speak to a service technician Spektrum AR 100 Warranty continued Inspection or Repairs If this Product needs to be inspected or repaired please call for a Return Merchandise Authorization RMA 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 A Service Repair Request is available at www horizonhobby com on the Support tab If you do not have internet access please include a letter with your complete name Street address email address and phone number where you can be reached during business days your RMA number a list of the included items method of payment for any non warranty expenses and a brief summary of the problem Your original sales receipt must also be included for warranty consideration Be sure your name address and RMA number are
32. vos with a single or inadequate battery power source heavy momentary loads can cause the voltage to dip below this 3 5 volt threshold thus causing the entire system servos and receiver to brown out When the voltage drops below the low voltage threshold 3 5 volts the DSM receiver must reboot go through the startup process of scanning the band and finding the transmitter and this can take several seconds Please read the receiver power requirement section as this explains how to test for and prevent this occurrence 4 Q Sometimes my receiver loses its bind and won t connect requiring rebinding What happens if the bind is lost in flight A The receiver will never lose its bind unless it s instructed to It s important to understand that during the binding process the receiver not only learns the GUID code of the transmitter but the transmitter learns and stores the type of receiver that it s bound to If the transmitter is placed into bind mode the transmitter looks for the binding protocol signal from a receiver If no signal 23 is present the transmitter no longer has the correct information to connect to a specific receiver and in essence the transmitter has been unbound from the receiver We ve had several DX7 customers that use transmitter stands or trays that unknowingly depress the bind button and the system is then turned on losing the necessary information to allow the connection to take place We ve also had DX7 c
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