5. Frequency Chart Neck Strap Attachment INTRODUCTION TO THE XF631 RADIO SYSTEM Thank you for purchasing the JR XF631 6-Channel Radio It’s important that you carefully read this manual before System. This unit has been designed to provide the attempting to operate your system. Please pay particular modeler with a high-quality, user-friendly radio system attention to Page 10, Introduction 4, “Battery Charging.”...
XF631 QUICK START In this manual you will find in-depth instructions that of the XF631, turn to the appropriate pages(s) in this detail all the steps and procedures you should follow in manual for more detailed programming information. order to program each of the XF631’s features. For...
Page 4
This safety feature ensures that the engine can to ensure that when the Throttle Cut button is pressed, be shut off immediately in case of a problem or the engine’s carburetor barrel will move to the fully safety concern. closed (engine off) position. XF631 MANUAL Quick Start...
R700’s band width when • The R700 is compatible with all JR FM- the receiver is on and the transmitter is off. transmitting radios. XF631 MANUAL • INTRODUCTION 1: Using This Manual / INTRODUCTION 2: Features...
1.2V x 8 NiCad (9.6V) 600mAh OUTPUT PULSE 1000-2000 (1500 Neutral) SERVO SPECIFICATIONS TYPE 537BB TORQUE (oz/in) SPEED (sec/60°) WEIGHT (oz) 1.37 SIZE (in) (W x L x H) 0.73 x 1.52 x 1.32 MOTOR 3-Pole Ferite XF631 MANUAL • INTRODUCTION 3: Specifications...
AC 100-120V OUTPUT CURRENT 50mAh TX/50mAh RX CHARGING TIME 15 Hours AIRBORNE BATTERY PACK TYPE AIRPLANE MODEL NUMBER 4N-600 VOLTAGE 4.8V SIZE (in) (W x L x H) 2.24 x 0.59 x 2.05 WEIGHT (oz) XF631 MANUAL • INTRODUCTION 3: Specifications...
600mAh battery pack. OUTSIDE IS POSITIVE Transmitter Only CHARGER PIGTAIL FOR TRANSMITTER The center pin on all JR remote control systems is BLACK TO POSITIVE negative. Therefore, the center pin on all JR chargers is negative, not positive. This is different from any other manufacturers’...
The XF631 features a built-in trainer system. The other current JR radios that have built-in trainer transmitter can be used as either a master (trainer) or systems. An optional trainer cord (JRPA130) as a slave (trainee). The XF631 is compatible with all is needed . TRAINER D.S.C.
4. RUDD: Rudder Channel than half throttle. This gives easy, accurate idle 5. GEAR: Gear Channel adjustments without affecting the high 6. AUX 1: Flap Channel throttle position. XF631 MANUAL • CHAPTER 1: Transmitter Controls...
Counterclockwise will lengthen the stick and clockwise will shorten it. After the control stick(s) has been adjusted to suit LOOSEN your flying style, tighten the set screw. TIGHTEN XF631 MANUAL • CHAPTER 1: Transmitter Controls...
Instead, you will only draw 70mAh when using the DSC function. Note: You will need to purchase (separately) both the DSC cord (JRPA132) and the JR Deluxe Switch Harness (JRPA001) to make use of the XF631 DSC function.
GEAR RUDD RECEIVER RUDD ELEV ABC&W INTERFERENCE PROTECTION SYSTEM A I L E ELEV THRO NER-226X AILE JAPAN REMOTE CONTROL CO., LTD THRO MADE IN JAPAN R700 RECEIVER 226X RECEIVER AILERON ANTENNA ANTENNA THROTTLE XF631 MANUAL • CHAPTER 2: Connections...
If you are currently in the function mode, the transmitter will exit automatically and return to the normal display (see Section 5.1). XF631 MANUAL • CHAPTER 3: Key Input and Display / CHAPTER 4: Battery Alarm and Display...
10.4 normal display. BATTERY VOLTAGE DIRECT TRIM ACCESS DISPLAY The Direct Trim function of the XF631 can be accessed through the use of any of the 4 digital trims levers (throttle, aileron, elevator, or rudder). INDICATES CHANNEL When a trim input is given, the screen will automatically change to show the trim value for that particular channel.
+ I 0 0 Power Switch Page 27 and then press both programming levers up. ENTER SCROLL INCREASE CHANNEL DECREASE DIGITAL TRIM EQUIPPED 6 CHANNEL MULTI-DATA COMPUTER DISPLAY SYSTEM Programming Levers XF631 MANUAL • CHAPTER 5: Input Mode and Functions...
3. Press the Scroll button up until “RST” appears select function. on the screen. 6. To exit, press the Scroll and Increase buttons up 4. Press the Channel and Increase buttons simultaneously. simultaneously to reset the data. (To confirm that XF631 MANUAL • CHAPTER 6: Functions (System Mode)
5. Press the Scroll button to access the wing type System mode. entry function. 3. Press the Scroll button until “MDL” 6. To exit, press the Scroll and Increase buttons up appears on the screen. simultaneously. XF631 MANUAL • CHAPTER 6: Functions (System Mode)
Page 20
Delta Wing Mixing Delta or elevon mixing, as it is commonly known, is Flaperon Setup the final wing mixing selection in your XF631. This When using flaperon mixing, two servos (one for style of aircraft also employs two wing servos.
Page 21
3. Next press either the Increase or press the Scroll button button once to access Decrease buttons once to activate until “MIX WNG” appears the V-tail mixing screen. V-tail mixing. on the screen. XF631 MANUAL • CHAPTER 6: Functions (System Mode)
MODEL NAME ENTRY System Mode • The XF631 allows a 3-character name to be input for is useful to help identify different aircraft types or each of the 3 models available. The current model model setups. will be displayed in the normal display. This feature...
3. Press the Scroll button until “REV/NORM” appears function. on the screen. 7. To exit, press the Scroll and Increase buttons up 4. Press the Channel button until the desired channel simultaneously. appears on the screen. XF631 MANUAL • CHAPTER 7: Functions (Function Mode)
9. To exit, press the Scroll and Increase buttons of the channels. A “0” will appear when the simultaneously. selected dual rate switch is in the uppermost position and a “1” when the selected switch is in the lower position. XF631 MANUAL • CHAPTER 7: Functions (Function Mode)
3. Press the Scroll button until “SB-TRIM” appears on adjustment function. the screen. 7. To exit, press the Scroll and Increase buttons up 4. Press the Channel button until the desired simultaneously. channel appears on the screen. XF631 MANUAL • CHAPTER 7: Functions (Function Mode)
Reverse function. 5. Move the selected channel stick or switch in the 8. To exit, press the Scroll and Increase buttons direction that you want to adjust the travel. up simultaneously. XF631 MANUAL • CHAPTER 7: Functions (Function Mode)
% – DIGITAL TRIM – 40% ± % ± % ± VALUE AILE (AI) ELEV (EL) NORM • DUAL FLAPERON WING TYPE POS 0 RATE • DELTA POS 1 V-TAIL ON • OFF XF631 MANUAL • CHAPTER 8: DATA SHEET...
Page 28
% – DIGITAL TRIM – 40% ± % ± % ± VALUE AILE (AI) ELEV (EL) NORM • DUAL FLAPERON WING TYPE POS 0 RATE • DELTA POS 1 V-TAIL ON • OFF XF631 MANUAL • CHAMPTER 8: DATA SHEET...
Page 29
% – DIGITAL TRIM – 40% ± % ± % ± VALUE AILE (AI) ELEV (EL) NORM • DUAL FLAPERON WING TYPE POS 0 RATE • DELTA POS 1 V-TAIL ON • OFF XF631 MANUAL • CHAPTER 8: DATA SHEET...
4. Perform a ground range check before each day’s harness plugs are secured in the receiver. Also, flying session. The range check should be as make sure that the switch harness moves follows: completely in both directions. XF631 MANUAL • IMPORTANT INFORMATION...
This warranty does not apply to any unit which has been improperly installed, mishandled, abused, or REPAIR SERVICE INSTRUCTIONS In the event that your JR radio needs service, please 5. Include your name, mailing address, and a phone follow the instructions listed below: number where you can be reached during the business day.