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XR2i
2-Channel, 2-Model Memory
AM Computer Racing System
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Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . .
XR2i Quick Start Setup . . . . . . . . . . .
Direct Trim Access . . . . . . . . . . . . . .
Servo Trim Adjustment . . . . . . . . .
System Features . . . . . . . . . . . . . . . . .
Transmitter . . . . . . . . . . . . . . . . . . .
Receiver . . . . . . . . . . . . . . . . . . . . . .
Servos . . . . . . . . . . . . . . . . . . . . . . .
System Specifications . . . . . . . . . . .
Components . . . . . . . . . . . . . . . . . .
Transmitter . . . . . . . . . . . . . . . . . . .
Receiver . . . . . . . . . . . . . . . . . . . . . .
Servos . . . . . . . . . . . . . . . . . . . . . . .
and Location . . . . . . . . . . . . . . . . . . . .
R/C Safety Precautions . . . . . . . . . . .
Steering Tension Adjustment . . . . .
Charging Jack . . . . . . . . . . . . . . . . . .
and Installation . . . . . . . . . . . . . . . . .
Operating Your Model . . . . . . . . . .
Servo Layout . . . . . . . . . . . . . . . . . .
Key Input and Display . . . . . . . . . . .
Display Screens . . . . . . . . . . . . . . . .
Normal Display . . . . . . . . . . . . . .
Low-Battery . . . . . . . . . . . . . . . . .
Lithium Battery . . . . . . . . . . . . . . .
Memory Backup . . . . . . . . . . . . .
Accessing the System Mode . . . .
Model Select . . . . . . . . . . . . . . . .
Model Name Entry . . . . . . . . . . .
Data Reset . . . . . . . . . . . . . . . . . . .
End-Point Adjustment . . . . . . . .
Sub-Trim . . . . . . . . . . . . . . . . . . .
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Summary of Contents for Horizon Hobby XR2i
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Page 1: Table Of Contents
Introduction ..... XR2i Quick Start Setup ... Direct Trim Access .... -
Page 2: Introduction
Adjustment BRK ... . . XR2i Data Sheets ....Frequency Chart .... -
Page 3: Direct Trim Access
3. Press the Increase or Decrease key to move the cursor to the desired servo direction (Rev.Norm). 4. Press the Channel key once to access the throttle servo reversing screen. 5. To select the direction of the throttle servo, repeat Step 3 above. End-Point (Travel) Adjustment 1. -
Page 4: System Specifications
XR2i Receiver R-125 Servos Z590M x 1 Z270 x 1 Accessories BEC switch harness with battery case, servo accessories (for each servo), instruction manual XR2i Transmitter Model number XR2i Encoder 2-channel computer system RF output 27MHz/75MHz Modulation Output power 195mW... -
Page 5: Control Identification And Location
Speed .15 sec/60° (@6.0V) Weight 1.6 oz Size (WxLxH) 0.73" x 1.55" x .146" Motor 3-pole ferrite page break___________***************_____**********_____**********______**********_______________ Control Identification and Location (Need new picture w/callout with XR2i) Antenna Steering Wheel Electronic Digital Throttle Trim Lever Dot Matrix Multi- Data LCD Display... -
Page 6: R/C Safety Precautions
Grip Lever A Electronic Digital Grip Lever B Grip Button C Charge Jack Power Switch Scroll Button = Enter Function = Clear Function Channel Button Increase Button Decrease Button Electronic Digital Steering Trim Lever Throttle Trigger Adjustable Steering Tension Battery Cover * (8 "AA"... -
Page 7: Steering Tension Adjustment
Please do not attempt to use any other brand of wall charger, as it may be reverse polarity and can cause damage to your system. Only use the JR wall charger when the XR2i is equipped with Ni-Cd batteries (JRPB958, available separately). page break___________***************_____**********_____**********______**********_______________ Receiver/Servo Connections and Installation Your R-125 receiver is equipped with Battery Eliminator Circuitry (BEC). -
Page 8: Operating Your Model
__ of this manual. Low Battery/Lithium Battery Backup When the voltage of the 8 "AA" batteries drops below 9.0V, the XR2i's display screen will alternate between the Normal and Low-Battery screen (BAT), and a continuous beeping will occur, indicating that the batteries need to be replaced before further use. -
Page 9: Memory Backup
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 transmitter be returned to the Horizon Service Center for servicing (see Warranty Information page __). -
Page 10: Model Name Entry
Model Name Entry (System Mode) The XR2i allows a three-character name to be input for each of the two models available. The current model with name will then be displayed in the Normal display screen. This feature is useful to help identify different models, setups, etc. -
Page 11: Data Reset
2. Turn on the transmitter power switch to enter System mode. 3. Press the Scroll key until "GBC" appears on the screen. 4. Press the Increase or Decrease key to select the correct Grip Button C function type to be used. 5. -
Page 12: End-Point Adjustment
End-Point Adjustment (Function Mode) The End-Point Adjustment feature of the XR2i allows the maximum travel of both the steering and throttle servos to be increased or decreased in each direction to achieve the exact servo movement needed. The End-Point Adjustment range is from 0% to 125% and is factory set to 100% for both channels. - Page 13 Servo Reversing (Function Mode) The Servo Reversing feature of the XR2i is a very convenient feature when setting up a new model. The purpose of the servo reversing function is to change the direction of the servo rotation in relation to the wheel/trigger movement. The Servo Reversing function is available for the steering and throttle of the XR2i.
- Page 14 The Direct Mode function of the XR2i is accessible through the use of the electronic throttle or steering trim levers, as well as the two electronic grip levers (A&B) located on the upper portion of the grip handle. This function allows for quick trim adjustment of these controls.
- Page 15 Each click will provide 0.3° of trim to the throttle servo with a maximum of 24° allowed. Note: Each click will not always result in a change of the value displayed. To adjust the Throttle Trim servo position, move the electronic steering trim lever either up or down.
- Page 16 (+). As soon as the grip lever is moved, the BRK End-Point Adjustment screen will appear and will continue to be displayed unless the Grip Lever A is untouched for a period of two seconds. page break___________***************_____**********_____**********______**********_______________ XR2i Data Sheet System Mode MODEL NUMBER 1 2 MODEL NAME...
- Page 17 27.095 ......3 27.145 ......4 27.195 ......5 27.255 ......6 75.410 ......61 75.430 ......62 75.450 ......63 75.470 ......64 75.490 ......65 75.510 ......66 75.530 ......67 75.550 ......68 75.570 ......69 75.590 ......70 75.610 ......71 75.630 ......72 75.650 ......73 75.670 ......74 75.690 ......75 75.710 ......76 75.730 ......77 75.750 ......78 75.770 ......79...
- Page 18 Warranty and Service Information Note: Be sure to keep your original dated sales receipt in a safe place as you will be required to provide proof of purchase date for the equipment to be serviced under warranty. Warranty Coverage Your new JR Remote Control Radio System is warranted to the original purchaser against manufacturer defects in material and workmanship for 3 years from the date of purchase.
- Page 19 Should your repair cost exceed 50% of the retail purchase cost, you will be provided with an estimate advising you of your options. Ship your system to: Horizon Service Center 4105 Fieldstone Road Champaign, IL 61822 Phone: (217) 355-9511 (UPC= 4944013000366 Item#= JRPM128 Copyright 2002 Horizon Hobby, Inc. ©...
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