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1. Press the Scroll and Channel keys at the same time and hold. 
2. Turn the transmitter power switch on to enter System mode. 
3. If "MDL" does not appear on the screen, press the Scroll key until "MDL" appears. 
4. Press the Increase or Decrease keys to select the desired model number (1 or 2). 
5. Press the Scroll key to access the Model Name Entry function. 
6. To exit System mode, either turn the transmitter power switch off or press the Scroll 
and Channel keys at the same time. 
 

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. 

 
Accessing the Model Name 
Entry Function 

1. Press the Scroll and Channel keys at the same time and hold. 
2. Turn on the transmitter power switch to enter the System mode. 
3. Press the Scroll key until "MD1" appears on the screen with the first character 
flashing. 
4. Press the Increase or Decrease keys to select the correct letter/number for the first 
character (flashing).  
5. To change the remaining two characters, press the Channel key until the desired 
character to be changed is flashing. 
6. Press the Scroll key to access the Grip Button C function. 
7. To exit the System mode, either turn the transmitter power switch off or press the 
Scroll and Channel keys at the same time. 

 
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Grip Button C Function Select (System Mode) 

The Grip Button C function of the XR2i allows you to select from 2 different functions 
available. Use the information below to select the correct Grip Button C assignment for 
your particular installation. 
 
0 = The 0, or off function, is the default setting and does not assign a function to Grip 
Button C.  
 
Eb = The Eb or Emergency Steering Button function is designed to override the value of 
Grip Dial B and provide 100% steering rate. This feature is useful if you have reduced 
the steering rate to make your vehicle easier to drive but need full steering in an 
emergency situation such as a collision. 

 

Accessing the Grip Button C Function 

1. Press the Scroll and Channel keys at the same time and hold. 

Summary of Contents for XR2i

Page 1: ...m Specifications Components Transmitter Receiver Servos Control Identification and Location R C Safety Precautions Steering Tension Adjustment Charging Jack Receiver Servo Connections and Installation...

Page 2: ...at information down on the data sheet provided This will insure that in the rare case of a memory failure you will not lose the models setup data For those who would like to get out to the track quick...

Page 3: ...igger for brake adjustment 6 Press the Increase or Decrease keys to select the desired travel value page break___________ _____ _____ ______ _______________ Direct Trim Access Servo Trim Adjustment St...

Page 4: ...dback potentiometer for additional vibration protection Surface Mount Technology SMT Z270 Servo Low current drain Indirect drive feedback potentiometer for additional vibration protection Surface Moun...

Page 5: ...ervo Torque 49 ounce inch 6 0V Speed 19 sec 60 6 0V Weight 1 50 oz Size WxLxH 0 73 x 1 51 x 1 37 Motor 3 pole ferrite Z590M Servo Torque 85 ounce inch 6 0V Speed 15 sec 60 6 0V Weight 1 6 oz Size WxLx...

Page 6: ...is very dangerous to both drivers and models Avoid running your model in areas occupied by full size automobiles To locate areas where you can safely operate your model contact your local hobby shop...

Page 7: ...vo Connections and Installation Your R 125 receiver is equipped with Battery Eliminator Circuitry BEC The receiver gets its power from the model s Ni Cd battery pack thus saving the weight of an addit...

Page 8: ...out of control when you turn off the transmitter Servo Layout Note Rubber grommets and sometimes eyelets are used in fuel powered vehicles Key Input and Display page break___________ _____ _____ _____...

Page 9: ...r power switch By pressing the Scroll key you can now choose Model Select Model Name Input Grip button C function or the Data Reset function as shown here on the System Mode flow chart Information for...

Page 10: ...the Increase or Decrease keys to select the correct letter number for the first character flashing 5 To change the remaining two characters press the Channel key until the desired character to be cha...

Page 11: ...ncrease and Decrease keys at the same time to reset the data To confirm that the selected model s programming has been reset a beep will sound and the model number selected 1 or 2 will stop flashing 5...

Page 12: ...of the screen 4 Press the Channel key to select the desired channel to be adjusted Steering ST R B steering right or ST L F steering left Throttle TH L F forward or TH R B braking or reverse 5 Move th...

Page 13: ...Function mode either turn off the transmitter power switch or press the Scroll and Channel keys at the same time page break___________ _____ _____ ______ _______________ Servo Reversing Function Mode...

Page 14: ...completely independent from the steering trim unless the trim value exceeds the selected end point values For example if trim values are set at 30 and end point values at 15 steering trim will over ri...

Page 15: ...is the percentage of the end point value established in the Steering EPA function the value will not always increase or decrease each time Grip Lever B is moved If the Emergency Steering button functi...

Page 16: ...L NUMBER 1 2 MODEL NAME GRIP BUTTON C O Eb Function Mode STEERING THROTTLE END POINT ADJUSTMENT L__________ R__________ F__________ B__________ SUB TRIM SERVO REVERSING REV NORM REV NORM Direct Mode T...

Page 17: ...75 870 84 75 890 85 75 910 86 75 930 87 75 950 88 75 970 89 75 990 90 FREQUENCY CHART Transmitter Crystal Replacement Notice The Federal Communications Commission FCC requires that changes in transmi...

Page 18: ...pair Service Directions In the event that your JR radio needs service please follow the instructions listed below 1 Check all on off switches to be sure they are off This will speed the repair process...

Page 19: ...been met your radio will be repaired without charge Normal Non Warranty Repairs Should your repair cost exceed 50 of the retail purchase cost you will be provided with an estimate advising you of your...

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