Summary of Contents for JRRacing XR2i
- Page 1 5189 JR XR-2i manual 9/18/02 12:01 PM Page 1 2-Channel, 2-Model Memory AM Computer Racing System...
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Page 2: Table Of Contents
Warranty and 27/28 Service Information Introduction Thank you for purchasing the XR2i 2-channel radio your transmitter, we strongly recommend that you system. This system has been designed to provide RC immediately write down that information on the data racers with a high-quality, user-friendly radio system sheet provided. -
Page 3: Xr2I Quick Start Setup
XR2i's features. Quick XR2i, refer to the appropriate page(s) in this manual Start covers the basic programming information for more detailed programming information. -
Page 4: Direct Trim Access
5189 JR XR-2i manual 9/18/02 12:01 PM Page 4 Steering Direct Trim Access 1. With the transmitter power switch on, move the digital steering trim lever in the desired position to be adjusted. Steering and Throttle Trim The steering trim value screen will appear automatically. Adjustment Throttle Steering Trim... -
Page 5: System Features
5189 JR XR-2i manual 9/18/02 12:01 PM Page 5 System Features Transmitter R-125 Receiver • 2 channels • 2 channels • AM modulation • AM modulation • 27MHz/75MHz available • Easy-to-read LCD graphics display • 2-model memory • Battery Eliminator Circuitry (BEC) •... -
Page 6: Servos
(for each servo), Selectivity 8 KHz/50dB instruction manual Weight 1 oz Size (WxLxH) 1.25" x 1.75" x 0.81" Receiver Antenna 20" XR2i Transmitter Power supply 4.8–6.0V DC Model number XR2i Encoder 2-channel computer system Z270 Servo RF output 27MHz/75MHz Torque 49 ounce inch (@6.0V) -
Page 7: Control Identification And Location
5189 JR XR-2i manual 9/18/02 12:01 PM Page 7 Control Identification and Location Antenna Electronic Digital Steering Trim Lever Multi Data Electronic Digital LCD Display Throttle Lever Power Switch Three-Character Name Input Digital Voltage Reading Scroll Button Steering Wheel = Enter Function with Foam Grip Channel Button Increase Button... -
Page 8: Rc Safety Precautions
5189 JR XR-2i manual 9/18/02 12:01 PM Page 8 RC Safety Precautions For safe and reliable performance of your RC model, 5. Before operating your model, make sure your please carefully read and follow the guidelines below. frequency is clear. If someone else is operating on the same frequency, both models will go out of 1. -
Page 9: Steering Tension Adjustment
Only use the JR wall charger charging jack that accepts only JR wall chargers. when the XR2i is equipped with Ni-Cd batteries Please do not attempt to use any other brand of wall (JRPB958, available separately). -
Page 10: Receiver/Servo Connections And Installation
5189 JR XR-2i manual 9/18/02 12:01 PM Page 10 Receiver/Servo Connections and Installation Your R-125 receiver is equipped with Battery You may use a separate receiver battery to power Eliminator Circuitry (BEC). The receiver gets its the receiver (such as for some electric boats or in power from the model’s Ni-Cd battery pack, thus gas-powered vehicles). -
Page 11: Operating Your Model
5189 JR XR-2i manual 9/18/02 12:01 PM Page 11 Operating Your Model It’s important to learn the proper sequence for After Operation switching on/off your radio system. Switch off the receiver, then the transmitter. This ensures that you will always have a signal to the Before Operation receiver and that your RC model will not operate out Switch on the transmitter, then the receiver. -
Page 12: Display Screens
If you switch the power off and on again, but the transmitter is in the default mode with all data lost, it is strongly suggested that the XR2i 10. 2V transmitter be returned to the Horizon Service Center for servicing (see Warranty Information page 27). -
Page 13: Accessing The System Mode
5189 JR XR-2i manual 9/18/02 12:01 PM Page 13 Accessing the System Mode To enter the System mode, press both the Scroll and Note: If you turn the transmitter off and immedi- Channel keys at the same time while turning on the ately enter System mode again, you will be transmitter power switch. -
Page 14: Model Select
Model Name Entry (System Mode) (System Mode) The XR2i allows a three-character name to be input The XR2i has memory for two models. This feature for each of the two models available. The current allows for two different models to be operated with... -
Page 15: Grip Button C Funtion Select
12:01 PM Page 15 Grip Button C Function Select (System Mode) The Grip Button C function of the XR2i allows you to Accessing the Grip Button C Function select from 2 different functions available. Use the 1. Press the Scroll and Channel keys at the same time information below to select the correct Grip Button C and hold. -
Page 16: Data Reset
5189 JR XR-2i manual 9/18/02 12:01 PM Page 16 Data Reset (System Mode) The Data Reset function allows you to reset all the Accessing the Data Reset Function programming in the selected model (1 or 2) to the Press and hold the Scroll factory default settings. -
Page 17: Accessing The Function Mode
5189 JR XR-2i manual 9/18/02 12:01 PM Page 17 Accessing the Function Mode To enter the Function mode, it is necessary to first select the appropriate channel (if applicable). To turn on the transmitter's power switch. Next, press adjust the values of the function, simply press the the Scroll key until a beep is heard. -
Page 18: End-Point Adjustment
12:01 PM Page 18 End-Point Adjustment (Function Mode) The End-Point Adjustment feature of the XR2i allows to eliminate servo binding (servo moves further than the maximum travel of both the steering and throttle control mechanism allows), without the need for servos to be increased or decreased in each direction mechanical linkage adjustment. -
Page 19: Sub-Trim
Sub-Trim (Function Mode) The Sub-Trim function of the XR2i is an electronic Accessing the Sub-Trim Function trimming feature that allows the neutral position of the servo on either the steering or throttle channel to... -
Page 20: Servo Reversing
9/18/02 12:01 PM Page 20 Servo Reversing (Function Mode) The Servo Reversing feature of the XR2i is a very con- Accessing the Servo venient feature when setting up a new model. The Reversing Function purpose of the servo reversing function is to change... -
Page 21: Accessing The Direct Trim Mode
12:01 PM Page 21 Accessing the Direct Trim Mode The Direct Mode function of the XR2i is accessible To access the Direct Trim Mode function, turn on the through the use of the electronic throttle or steering transmitter power switch. Next, move the desired trim trim levers, as well as the two electronic grip levers lever to be adjusted. -
Page 22: Steering Trim
12:01 PM Page 22 Steering Trim (STC) The XR2i electronic Steering Trim lever, located just To adjust the steering trim servo position, move the above the steering wheel, allows the center position of electronic Steering Trim lever either to the left or the the servo to be manipulated in either direction to right. -
Page 23: Throttle Trim
12:01 PM Page 23 Throttle Trim (THC) The XR2i's electronic Throttle Trim lever, located to Each click will provide 0.3° of trim to the throttle the left of the steering wheel, allows the center posi- servo with a maximum of 24° allowed. -
Page 24: Grip Lever B: Steering Dual-Rate Trim Adjustment Stg
5189 JR XR-2i manual 9/18/02 12:01 PM Page 24 Grip Lever B: Steering Dual-Rate Trim Adjustment (STG) The Steering Dual-Rate adjustment, located at Grip If the Emergency Steering button function (page 15) Lever B, allows the Dual-Rate value (maximum servo is active, pressing Grip Button C will restore the steer- travel) to be increased or decreased within a range ing dual rate to 100% until the button is released. -
Page 25: Grip Lever A: Brake End-Point Adjustment Brk
5189 JR XR-2i manual 9/18/02 12:01 PM Page 25 Grip Lever A: Brake End-Point Adjustment BRK/Auxilary Channel 3 Access The Brake End-Point Adjustment, located at Grip Lever electronic Grip Lever A either left (-) or right (+). As A, allows the maximum servo travel on the braking side soon as the grip lever is moved, the BRK End-Point of the throttle trigger to be increased or decreased Adjustment screen will appear and will continue to... -
Page 26: Xr2I Data Sheets
5189 JR XR-2i manual 9/18/02 12:01 PM Page 26 XR2i Data Sheet System Mode MODEL NUMBER MODEL NAME GRIP BUTTON C Function Mode STEERING THROTTLE END-POINT ADJUSTMENT L__________ R__________ F__________ B__________ SUB-TRIM SERVO REVERSING REV/NORM REV/NORM Direct Mode TRIM STEERING... -
Page 27: Frequency Chart
5189 JR XR-2i manual 9/18/02 12:01 PM Page 27 Frequency Chart FREQUENCY CHART REQUENCY HANNEL REQUENCY HANNEL REQUENCY HANNEL 26.995 ......1 75.530 ......67 75.770 ......79 27.045 ......2 75.550 ......68 75.790 ......80 27.095 ......3 75.570 ......69 75.810 ......81 27.145 ......4 75.590 ......70 75.830 ......82 27.195 ......5 75.610 ......71... - Page 28 5189 JR XR-2i manual 9/18/02 12:01 PM Page 28 Repair Service Directions In the event that your JR radio needs service, please 4. Include detailed information explaining your follow the instructions listed below. operation of the system and problem(s) encountered. Provide an itemized list of equipment 1.