JR XP662 Instruction Manual

JR XP662 Instruction Manual

6-channel computer radio for airplane and helicopter
Table of Contents

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INSTRUCTION MANUAL
FOR AIRPLANE AND
HELICOPTER
6-CHANNEL COMPUTER RADIO

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Summary of Contents for JR XP662

  • Page 1 INSTRUCTION MANUAL FOR AIRPLANE AND HELICOPTER 6-CHANNEL COMPUTER RADIO...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS I. INTRODUCTION Travel Adjustment Aileron-to-Rudder Mixing Introduction to the XP662 Radio System Elevator-to-Flap Mixing Quick Start (Airplane) Differential Quick Start (Helicopter) Flap-to-Elevator Offset Trim 1. Using This Manual 7.10 Programmable Mixing (A, B, C) 2. Features 8. Data Sheet...
  • Page 4: Introduction To The Xp662 Radio System

    The functions decal will prove to be XP662. a helpful guide for making program changes to your XP662 both in the shop and at the flying field. The four small decals help identify switch positions and XP662 FUNCTION GUIDE...
  • Page 5: Quick Start (Airplane)

    Later, when you want to learn more about specific order to program each of the XF662’s features. For features of the XP662, turn to the appropriate page(s) in modelers who want to get into the air fast, we have this manual for more detailed programming information.
  • Page 6: Quick Start (Helicopter)

    (engine off) position. This safety feature ensures that the engine can be shut off immediately in case of a problem or safety concern. THROTTLE CUT BUTTON XP662 MANUAL Introduction...
  • Page 7 SCROLL and INCREASE buttons until “REV-NORM” appears on CHANNEL INCREASE or upward simultaneously until a the screen. button to select DECREASE beep is heard. the channel you button to reverse want to reverse. the direction of the channel you selected. XP662 MANUAL Introduction...
  • Page 8: Pitch Curve

    Please note that the THROTTLE CUT button is only active when the throttle stick is below 1/2 throttle, and a trim value has been added to the throttle trim lever. XP662 MANUAL Introduction...
  • Page 9: Using This Manual

    Introduction • USING THIS MANUAL The XP662 is a full feature introductory computer Blank data sheets are included at the end of both radio for airplanes and/or helicopters. This manual is sections. Once you have input all the necessary data...
  • Page 10: Servo Features

    • Low-current drain additional protection from vibration SERVO LAYOUT Servo Arm Retaining Screw Servo Mounting Flange Servo Arm/Horn Servo Output Shaft Rubber Grommets Servo Case Servo Eyelet Servo Mounting Flange Servo Lead w/Connector Rubber Grommets Top View XP662 MANUAL Introduction...
  • Page 11: Specifications

    1.2Vx8 Ni-Cd (9.6V) 600mAh OUTPUT PULSE 1000-2000 (1500 Neutral) 1000-2000 (1500 Neutral) SERVO SPECIFICATIONS TYPE 537BB TORQUE (oz/in) 43 oz SPEED WEIGHT 1.37 SIZE (in) (W x L x H) 0.73 x 1.52 x 1.32 MOTOR 3-Pole Ferite XP662 MANUAL Introduction...
  • Page 12: Receiver Specifications

    CHARGING TIME 15 Hours 15 Hours AIRBORNE BATTERY PACK TYPE AIRPLANE HELICOPTER MODEL NUMBER 4n-600 4N-1000 VOLTAGE 4.8V 4.8V SIZE (in) (W x L x H) 2.24 x 0.59 x 2.05 2.60 x 0.63 x 1.70 WEIGHT (oz) XP662 MANUAL Introduction...
  • Page 13: Battery Charging

    Do not use the charger for equipment other than JR. before doing anything to avoid possible damage. The charging plug polarity may not be the same and During the charging operation, the charger’s equipment damage may result. temperature is slightly elevated. This is normal. XP662 MANUAL Introduction...
  • Page 14: Trainer System

    The XP662 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 XP662 is compatible with all is needed . D.S.C. TRAINER...
  • Page 15: Transmitter Controls

    AILERON TRIM POWER SWITCH INPUT KEYS DIGITAL TRIM LEVERS The XP662 features four digital trim levers with a Trim Offset Memory, Rudder Offset Memory (Heli), direct trim display feature for ultra precise and Stunt Trim (Heli). adjustments. When a trim input is given, the display...
  • Page 16: Receiver Channel Assignment/Transmitter Throttle Atl

    (Horizon Service Center). Any transmitter frequency change made by non-certified technician may result in a violation of the FCC rules. XP662 MANUAL Airplane...
  • Page 17: Control Stick Length Adjustment

    Note: You will need to purchase (separately) both the DSC Cord (JRPA132) and the JR Deluxe Switch Harness (JRPA001) to make use of the XP662 DSC function. NECK STRAP ATTACHMENT There is an eye hook on the front of the transmitter so that the transmitter will be perfectly balanced for attaching an optional neck strap (JRPA023).
  • Page 18: Connections

    7 CH 72MHz FM SLIMLINE RUDD 72MHz 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 XP662 MANUAL Airplane...
  • Page 19: Key Input And Display

    KEY INPUT AND DISPLAY Two input keys are located at the lower right and left faceplate of the XP662 transmitter. The keys are used to access and program the transmitter. Each key can be moved up or down using your thumbs.
  • Page 20: Input Mode And Function

    I0. 4 BATTERY VOLTAGE DIRECT TRIM ACCESS DISPLAY T Y P The Direct Trim function of the XP662 can MODEL TYPE SELECTION Page 22 be accessed through the use of any of the four digital trims levers (throttle, aileron, R S T elevator, or rudder).
  • Page 21: Function Mode

    A - - R THROTTLE CUT AILERON-TO- RUDDER MIXING Page 39 Your XP662 incorporates a special THROTTLE CUT button located on the upper right face of the E - - F transmitter. This feature is designed to immediately ELEVATOR-TO-FLAP override any current throttle/trim position and will...
  • Page 22: Functions (System Mode)

    Two types of aircraft programming are available with new model type indicated on the screen will flash. the XP662, airplane (AC) and helicopter (HE). When For example, if the current model type is AC and you you enter the model type selection function, the change to HE, “HE”...
  • Page 23: Data Reset

    5. Press the SCROLL button to access the Model on the screen. Select function. 4. Press the CHANNEL and INCREASE buttons 6. To exit, press the SCROLL and INCREASE simultaneously to reset the data. (To confirm buttons up simultaneously. XP662 MANUAL Airplane...
  • Page 24: Dual Rate Switch Selection

    6. To exit, press the SCROLL and INCREASE 3. Press the SCROLL button until “D/R SW” appears buttons simultaneously. on the screen. 4. Press the INCREASE or DECREASE button until the desired switch position appears on the screen. XP662 MANUAL Airplane...
  • Page 25: Wing Type Selection

    6. To exit, press the SCROLL and INCREASE 3. Press the SCROLL button until the “MIX WNG” buttons up simultaneously. appears on the screen. 4. Press the CHANNEL button to select either the Wing Type (WNG) or V-Tail (VTL) mode. XP662 MANUAL Airplane...
  • Page 26: Wing Type

    2. Press the CHANNEL 3. Next press either the INCREASE press the SCROLL button once to access or DECREASE buttons once to button until “MIX WNG” the V-Tail Mixing screen. activate V-Tail Mixing. appears on the screen. XP662 MANUAL Airplane...
  • Page 27: Model Selection

    CHAPTER 6: FUNCTIONS (SYSTEM MODE) Airplane • MODEL SELECTION The XP662 has memory for six models. It can store the settings for six airplanes, six helicopters, or three airplanes and three helicopters, etc. M D L INDICATES MODEL SELECTION FUNCTION...
  • Page 28: Model Name Entry

    Airplane • MODEL NAME ENTRY The XP662 allows a three-digit name to be input for will be displayed in the normal display. This feature each of the six models available. The current model helps identify different aircraft types or model setups.
  • Page 29: Modulation Select

    XP662 modulation type will remain the same for that model flight pack for future models. Your system comes number, even during model number/type changes.
  • Page 30: Fail-Safe/Hold

    FAIL-SAFE/HOLD The Fail-Safe/Hold function is available only when Note: Since the actual screen appearance varies, you use the XP662 transmitter in either of the depending on the modulation of your radio, refer PCM modulations: S-PCM or Z-PCM. This function is...
  • Page 31 4. With the sticks, switches and control knobs in the presets as you havejust done. The transmitter the fail-safe positions, press the CHANNEL and automatically recalls the settings for the INCREASE buttons simultaneously. This will last fail-safe adjustment. XP662 MANUAL Airplane...
  • Page 32: Fail-Safe/Hold Function In S-Pcm Modulation

    Fail Safe/Hold Combination in S-PCM Modulation The XP662 allows you to combine the hold and fail- the servos to a preset position. The predetermined safe presets for all six channels on the receiver. You servo positions are set byyou.
  • Page 33 SERVO PRESET MEMORY CL WILL FLASH WHEN FAIL- SAFE SERVO POSITIONS Press the SCROLL and Press the CHANNEL and ARE ENTERED INCREASE buttons INCREASE buttons simultaneously to exit the simultaneously to store the function mode. desired fail-safe presets/positions. XP662 MANUAL Airplane...
  • Page 34: Functions (Function Mode)

    6. Press the SCROLL button to access the Dual 3. Press the SCROLL button until “REV-NORM” Rate function. appears on the screen. 7. To exit, press the SCROLL and CHANNEL 4. Press the CHANNEL button until the desired buttons simultaneously. channel appears on the screen. XP662 MANUAL Airplane...
  • Page 35: Dual Rate

    11. To exit, press the SCROLL and INCREASE 6. To change the switch selection you must enter buttons simultaneously. the dual rate switch selection function in the system mode (see Section 6.3). XP662 MANUAL Airplane...
  • Page 36: Exponential

    EXPONENTIAL Programmable exponential adjustments are offered throughout the stick control. One hundred percent on the aileron and elevator channels of your XP662 (100%) is full exponential. The larger the exponential system. Exponential is a function that allows you to value, the less servo action, or sensitivity, you will tailor the response rate of the controls as compared notice around the neutral setting.
  • Page 37: Sub-Trim

    6. Press the SCROLL button to access the travel 3. Press the SCROLL button until “SB-Trim” adjustment function. appears on the screen. 7. To exit, press the SCROLL and INCREASE 4. Press the CHANNEL button until the desired buttons simultaneously. channel appears on the screen. XP662 MANUAL Airplane...
  • Page 38: Travel Adjustment

    8. To exit, press the SCROLL and INCREASE 5. Move the selected channel stick or switch in the buttons simultaneously. direction that you want to adjust the travel. Press XP662 MANUAL Airplane...
  • Page 39: Aileron-To-Rudder Mixing

    The all the time, or it can be turned off with the selection XP662 allows the mixing of aileron-to-rudder and of one of three switches. allows you to adjust the amount and direction of...
  • Page 40 2. Press the CHANNEL button until “MIX ARS” to-flap mixing function. appears on the screen. 5. To exit, press the SCROLL and INCREASE 3. Press the INCREASE or DECREASE button until buttons simultaneously. the desired switch selection appears on the screen. XP662 MANUAL Airplane...
  • Page 41: Elevator-To-Flap Mixing

    3. Press the SCROLL button until “MIX E-F” appears 5. Press the INCREASE or DECREASE button to on the screen. set the elevator-to-flap mixing value. XP662 MANUAL Airplane...
  • Page 42 3. Press the INCREASE or DECREASE button until the are not activated, pressing the SCROLL button desired switch designation appears on the screen. will access the flap-to-elevator offset function. 5. To exit, press the SCROLL and INCREASE buttons simultaneously. XP662 MANUAL Airplane...
  • Page 43: Differential

    3. Press the SCROLL and INCREASE buttons to-elevator offset trim function. simultaneously to enter the function mode. 7. To exit, press the SCROLL and INCREASE 4. Press the SCROLL button until “MIX DIF” buttons simultaneously. appears on the screen. XP662 MANUAL Airplane...
  • Page 44: Flap-To-Elevator Offset Trim

    3. Press the SCROLL button until “OFFSET F-E” Programmable Mix function. appears on the screen. 6. To exit, press the SCROLL and INCREASE 4. Press the INCREASE or DECREASE button to set buttons simultaneously. the desired amount and direction of the elevator offset. XP662 MANUAL Airplane...
  • Page 45: Programmable Mixing A

    Airplane • PROGRAMMABLE MIXING (A,B,C) 7.10 The XP662 in aircraft mode offers three as the “slave channel” or the channel that is being programmable mixes to be used for a number of mixed into the master channel. For example, “AILE- different purposes.
  • Page 46 “MIX ASW” appears. (Refer to Chart A on the preceding page for 2. Press the INCREASE or DECREASE button to possible mix/switch selections.) select the switch to be used to activate the XP662 MANUAL Airplane...
  • Page 47 ENTER A 2 4 SCROLL INCREASE CHANNEL DECREASE OFFSET OFFSET MIXING Press the CHANNEL button until Press either the INCREASE or VALUE “OFFSET” appears on the screen. DECREASE buttons to slave the offset position. XP662 MANUAL Airplane...
  • Page 48: Data Sheet

    ELEV FLAP MIX V-TAIL ON • OFF DIFFERENTIAL CHANNEL MASTER SLAVE MIX SWITCH OFFSET +GAIN -GAIN ON • F1 • A • E ON • F1 • A • E PROG. MIX ON • F1 • F0 • 5 XP662 MANUAL Airplane...
  • Page 49: Transmitter Controls

    Elevator Channel trim active only when the throttle stick is less than RUDD Rudder Channel half throttle. This gives easy, accurate idle adjustments GEAR Gear Channel without affecting the high throttle position. AUX 1 Auxiliary 1 Channel (Pitch) XP662 MANUAL Helicopter...
  • Page 50: Transmitter Rear

    The Federal Communications Commission (FFC) requires that changes in transmitter frequency must be performed only by an authorized service technician (Horizon Service Center). Any transmitter frequency change made by non-certified technician may result in a violation of the FCC rules. XP662 MANUAL Helicopter...
  • Page 51: Control Stick Length Adjustment

    Switch Harness (JRPA001) to make use of the (RF) in this position. XP662 DSC Function. 2. Plug the optional DSC Cord (JRPA132) into the DSC port in the rear of the transmitter. 2. The DSC function allows you to make final 3.
  • Page 52: Connections

    BATTERY B1000 PITCH ON/OFF SWITCH HARNESS (JRPA003) RUDDER ELEVATOR AUX1 GEAR 7 CH 72MHz FM SLIMLINE RUDD RECEIVER ELEV ABC&W INTERFERENCE PROTECTION SYSTEM A I L E THRO CHARGING PLUG R700 RECEIVER R700 RECEIVER AILERON ANTENNA THROTTLE XP662 MANUAL Helicopter...
  • Page 53: Key Input And Display

    KEY INPUT AND DISPLAY Two input keys are located at the lower right and left faceplate of the XP662 transmitter. The keys are used to access and program the transmitter. Each key can be moved up or down using your thumbs.
  • Page 54: Input Mode And Function

    S P C MODULATION SELECT Page 63 F S T FAIL-SAFE MEMORY Page 65 (Z-PCM) F S I Only visible when modulation type FAIL-SAFE is selected for SPCM or ZPCM PCM modulation is selected (S-PCM) Page 68 XP662 MANUAL Helicopter...
  • Page 55: Function Mode

    THROTTLE CURVE (NORMAL) Page 74 T L 5 THROTTLE CURVE (STUNT) Page 74 R V U REVOLUTION MIXING Page 75 A I I PROGRAMMABLE MIXING A Page 76 C C P CCPM SWASHPLATE MIX Page 79 XP662 MANUAL Helicopter...
  • Page 56: Functions (System Mode)

    Two types of aircraft programming are available with model type indicated on the screen will flash. For the XP662, airplane (AC) and helicopter (HE). When example, if the current model type is AC and you you enter the model type selection function, the change to HE, “HE”...
  • Page 57: Data Reset

    5. Press the SCROLL button to access the Dual the screen. Rate switch selection function. 4. Press the CHANNEL and INCREASE buttons 6. To exit, press the SCROLL and INCREASE simultaneously to reset the data. (To confirm buttons simultaneously. XP662 MANUAL Helicopter...
  • Page 58: Dual Rate Switch Selection

    3. Press the SCROLL button until “D/R SW” appears Switch Selection function. on the screen. 6. To exit, press the SCROLL and INCREASE 4. Press the INCREASE or DECREASE button until buttons simultaneously. the desired switch position or “CF” for “VTR” XP662 MANUAL Helicopter...
  • Page 59: Gear/Gyro Switch Selection

    CHAPTER 6: FUNCTIONS (SYSTEM MODE) Helicopter • GEAR/GYRO SWITCH SELECTION The XP662 gear/gyro switch selection function Gyro (JRPG460T). The most common use for this enables the dual rate values of the gyro to be feature would be to combine the gyro dual rate combined with one of four switches (flight mode, adjustment with the flight mode switch.
  • Page 60: Model Selection

    CHAPTER 6: FUNCTIONS (SYSTEM MODE) Helicopter • MODEL SELECTION The XP662 has memory for six models. It can store the settings for six airplanes, six helicopters or three airplanes and three helicopters, etc. M D L INDICATES MODEL SELECTION FUNCTION...
  • Page 61: Model Name Entry

    CHAPTER 6: FUNCTIONS (SYSTEM MODE) Helicopter • MODEL NAME ENTRY The XP662 allows a 3-digit name to be input for each useful to help identifydifferent aircraft types, or of the six models available. The current model will model setups. be displayed in the normal display. This feature is...
  • Page 62: Modulation Select

    Note: Once the proper modulation has been utilize existing receivers, or to upgrade your XP662 selected for a specific model number, the modulation flight pack for future models. Your system comes...
  • Page 63: Fail-Safe/Hold

    FAIL-SAFE/HOLD The Fail-Safe/Hold function is available only when Note: Since the actual screen appearance varies, you use the XP662 transmitter in either of the depending on the modulation of your radio, refer PCM modulations: S-PCM or Z-PCM. This function is...
  • Page 64: Fail-Safe/Hold Function In S-Pcm Modulation

    4. With the sticks, switches and potentiometers in automatically recalls the settings for the fail-safe positions, press the CHANNEL and the last fail-safe adjustment. INCREASE keys simultaneously. This will enter these locations as the fail-safe memory settings. XP662 MANUAL Helicopter...
  • Page 65 Fail-Safe/Hold Combination in S-PCM Modulation The XP662 allows you to combine the hold and fail- the servos to a preset position. The predetermined safe presets for all six channels on the receiver you servo positions are set byyou.
  • Page 66 CHANNEL DECREASE CL WILL FLASH WHEN FAIL- SAFE SERVO POSITIONS ARE ENTERED. Press the CHANNEL and INCREASE buttons simultaneously to store the desired fail-safe presets/positions. Press the SCROLL and INCREASE buttons simultaneously to exit the function mode. XP662 MANUAL Helicopter...
  • Page 67: Functions (Function Mode)

    6. Press the MODE button to access the Dual 3. Press the SCROLL button until “REV-NORM” Rate function. appears on the screen. 7. To exit, press the MODE and CHANNEL 4. Press the CHANNEL button until the desired buttons simultaneously. channel appears on the screen. XP662 MANUAL Helicopter...
  • Page 68: Dual Rate

    11. To exit, press the SCROLL and INCREASE when the selected switch is in the lower position. buttons simultaneously. 6. To change the switch selection you must enter the dual rate switch selection function in the system mode (see Section 6.3). XP662 MANUAL Helicopter...
  • Page 69: Exponential

    EXPONENTIAL Programmable exponential adjustments are offered throughout the stick control. One hundred percent on the aileron and elevator channels of your XP662 (100%) is full exponential. The larger the exponential system. Exponential is a function that allows you to value, the less servo action, or sensitivity, you will tailor the response rate of the controls as compared notice around the neutral setting.
  • Page 70: Sub-Trim

    6. Press the SCROLL button to access the Travel 3. Press the SCROLL button until “SB-Trim” Adjustment function. appears on the screen. 7. To exit, press the SCROLL and INCREASE 4. Press the CHANNEL button until the desired buttons simultaneously. channel appears on the screen. XP662 MANUAL Helicopter...
  • Page 71: Travel Adjustment

    7. Press the SCROLL button to access the throttle channel appears on the screen. hold function. 5. Move the selected channel stick or switch in the 8. To exit, press the SCROLL and INCREASE direction that you want to adjust the travel. Press buttons simultaneously. XP662 MANUAL Helicopter...
  • Page 72: Throttle Hold

    6. Press the SCROLL button to access the pitch hold pitch curve will now appear in the pitch curve function. curve function. To inhibit the Throttle Hold 7. To exit, press the SCROLL and INCREASE function, press the CHANNEL and INCREASE buttons simultaneously. XP662 MANUAL Helicopter...
  • Page 73: Pitch Curve

    5. Press the INCREASE or DECREASE button to Throttle Curve function will be accessed. change the value of the current reference point. 9. To exit, press the MODE and CHANNEL The range of each point is 0–100% in 1% intervals. buttons simultaneously. XP662 MANUAL Helicopter...
  • Page 74: Throttle Curve

    Revolution Mixing function. 4. Press the CHANNEL button to select the 8. To exit, press the SCROLL and INCREASE reference point of the throttle curve you want to buttons simultaneously. change (L, 2, or H*). * Normal mode only. XP662 MANUAL Helicopter...
  • Page 75: Revolution Mixing

    4. Press the CHANNEL button to select the up or Programmable Mix A function. down Mixing function. 7. To exit, press the SCROLL and INCREASE 5. Press the INCREASE or DECREASE button to buttons simultaneously. adjust the mixing value of the applicable function. XP662 MANUAL Helicopter...
  • Page 76: Programmable Mixing (A)

    Helicopter • PROGRAMMABLE MIXING (A) 7.10 The XP662 in Helicopter mode offers one (1) elevator stick is moved, the elevator will deflect, and programmable mix to be used for a number of the aileron will automatically move in the direction different purposes.
  • Page 77 (Refer to Chart A on the preceding page for possible ASW” appears. mix/switch selections.) 2. Press the INCREASE or DECREASE button to select the desired switch to be used to activate the mixing or leave as on if a constant mix is desired. XP662 MANUAL Helicopter...
  • Page 78 ENTER SCROLL INCREASE CHANNEL DECREASE A 3 2 OFFSET Press the CHANNEL Press either the INCREASE or OFFSET button until “OFFSET” DECREASE buttons to save the MIXING appears on the screen. offset position. VALUE XP662 MANUAL Helicopter...
  • Page 79: Ccpm Swashplate Mixing

    Collective Pitch Mixing) of the XP662 system is swashplate of the helicopter and physically move both designed to allow the XP662 to be used in model in unison and independently for all changes in pitch/ helicopters that utilize a 120° CCPM-type swashplate cyclic.
  • Page 80: Ccpm Servo Connections

    Aileron Servo: We will refer to this servo as the radio instructions for proper connection. “Left” servo. The channel number for this servo when using a JR radio is CH2. G460T (Right) G4605 GYRO (OPTIONAL) (JRPG460T) (Front) (Left) XP662 MANUAL Helicopter...
  • Page 81: How 120 Ccpm Works

    As mentioned, this mixing of the three servos is also achieved through the radio’s CCPM program. XP662 MANUAL Helicopter...
  • Page 82 CCPM is actually easier to set up and control rods and parts to set up. operate than many conventional systems. XP662 MANUAL Helicopter...
  • Page 83: Data Sheet

    CCPM MIXING ON • OFF PLS, P2S, PHS, AIL (2) ELE (3) PITCH (6) PLH, P2H, PHH – – – CHANNEL MASTER SLAVE MIX SWITCH OFFSET +GAIN -GAIN PROG. MIX ON • F1 • FO • H XP662 MANUAL Helicopter...
  • Page 84: Important Information

    7. Be sure that all servo pigtails and switch harness 4. Perform a ground range check before each plugs are secured in the receiver. Make sure day’s flying session. The range check should be that the switch harness moves completely in as follows: both directions. XP662 MANUAL Important Information...
  • Page 85: Warranty Coverage

    Horizon Service Center 4. Include detailed information explaining your 4105 Fieldstone Road operation of the equipment and problem(s) Champaign, Illinois 61822 encountered. Provide an itemized list of equipment (217) 355-9511 enclosed and identify any particular area/function www.horizonhobby.com XP662 MANUAL Important Information...
  • Page 86: Frequency Chart

    (Horizon Service Center). Any 72.990 transmitter frequency change made by non-certified technician may result in a violation of the FCC rules. *Channels 11–14 are not available XP662 MANUAL Important Information...
  • Page 88 Distributed exclusively by Horizon Hobby, Inc. Champaign, IL 61822 www.horizonhobby.com © 2002 Horizon Hobby, Inc.

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