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JR X9303 Manual

2.4 helicopter heli mode
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X9303 2.4 Helicopter – Heli Mode
INTRODUCTION
The Heli mode of the X9303 2.4 system is intended for
use in model helicopters with all types of Swashplate
mixing. It contains a host of advanced features that are
easy to set up and use. The features have been designed
to assist the pilot in realizing the full potential of the
helicopter. These features include:
• Switch Assignments for Specific Channels/
Functions
• Flight Modes (up to 6)
• Dual Rates/Exponential (up to 3 settings each for
Aileron, Elevator and Rudder)
• Swashplate Type (Normal, 120, 140, and
90 CCPM)
• Adjustable Trim Rates (10 – 100 Trim Steps)
• Built-In Cyclic-to-Throttle Mixing for Aileron,
Elevator, and Rudder
• Governor Pre-Program Mix
Heli PROGRAMMING - PLEASE READ
Those who are comfortable with programming are still
encouraged to continue reading this part of the manual in
order to acquire an understanding of the basic X9303 2.4
programming philosophy, functions, and techniques.
This section of the manual begins with entering the
System Menu, selecting a model and activating the HELI
Mode, and progresses through the remainder of the
System Menu options and then through the individual
functions. The descriptions here are general in nature and
serve not only to identify the functions that are available,
but why the functions are included in the HELI Mode and
when a particular function should be used.
HELI - GETTING STARTED – SYSTEM MENU BASICS
Getting started begins with accessing the SYSTEM Menu.
This is where models are selected, the mode is identified,
modulation type is indicated, and where other high-level
information is stored for the model. It is also used to activate
some of the more advanced programming features such as
Swashplate Types and Governor Program activation.
• Throttle Curves (up to 5) with up to 7 Points
• Pitch Curves (up to 6) with up to 7 Points
• Gyro System (In Flight Gain Selection of
up to 3 Gains)
• 6 Programmable Mixes (Includes 2 Multi-Point and
4 Standard Mixes)
• Fail-Safe (Hold or Predetermined Positions)
•Trainer System (Selectable Channels for
Student Control)
• Timers (Stopwatch, Count-Down, Integrated)
• Servo Monitor (Automatically Renames Channels
According to Assignments)
In addition to the numerous features listed above, the
X9303 2.4 provides the ability to combine, activate, and
deactivate multiple features such as Dual Rates,Gyro Gain,
and Governor settings, using the Flight Mode switch.
This capability dramatically reduces the pilot's workload,
allowing the pilot to focus on the task of flying.
Those who have some experience with computer radios
will probably be able to program their helicopter as
they read through this section, owing to the fact that the
individual functions are generally simple in nature and the
X9303 2.4 is a very intuitive system.
H-1

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  • Page 1 • Throttle Curves (up to 5) with up to 7 Points • Pitch Curves (up to 6) with up to 7 Points The Heli mode of the X9303 2.4 system is intended for • Gyro System (In Flight Gain Selection of...

  • Page 2: Access The System Menu

    ACCESS THE SYSTEM MENU 1. Bring up the SYSTEM Menu by holding down the ENT button while turning the transmitter on. [SYSTEM M.] INFO-DISP TRANSFER Model SEL TRIM STEP MDL Name Devic. SEL Type SEL SWASH TYP MDL Reset Model SEL- Model Selection The first thing to do when setting up a new model is to for that model is no longer required.

  • Page 3: Copy - Copying The Currently Selected Model To Another Model Memory

    Copy – Copying the Currently Selected Model to Another Model Memory The Copy function is part of the Model SEL function Making a backup copy of the model memory protects and allows the contents of the current model memory against losing the original program and also allows one to be copied into another model memory in the same to experiment with the original program, knowing that the transmitter.
  • Page 4 CLR button on the left side Note: As the X9303 2.4 has the ModelMatch feature, of the display next to COPY. The entire contents of the...

  • Page 5: Data Reset - Reset The Model

    Data Reset – RESET THE MODEL When setting up a new model it is important to reset If you are setting up a model for the first time, you can all parameters to their default or factory settings before skip this step and move to the TYPE SELECT function. proceeding with any other programming.

  • Page 6: Type Select - To Activate The Heli Mode

    Type Select – TO ACTIVATE THE HELI MODE After having selected and reset the desired model number to be programmed, it is time to tell the transmitter that the Heli Mode is to be used for this helicopter. [Type SEL] MODEL 3 HELI GLID ACRO...

  • Page 7: Transfer - Transfer The Model To Another Transmitter Or To Datasafe

    X9303 2.4, XP9303 transmitter or from a DataSafe unit. TRANSFER A MODEL FROM THE X9303 2.4 – (Transfer function) – To Send 1. Hold the ENT button while plugging the trainer 2.

  • Page 8: Transfer A Model To The X9303 2.4 - (Transfer Function) - To Receive

    TRANSFER A MODEL TO THE X9303 2.4 – (Transfer function) – To Receive 1. Hold the ENT button while plugging the trainer cord 2. Highlight and select TRANSFER in the SYSTEM Menu into the back of the transmitter to obtain the SYSTEM to obtain the Transfer display.

  • Page 9: Trim Step

    The Trim Step function provides for adjusting the Use a fairly coarse setting, such as the factory default 4, sensitivity of the X9303 2.4 trim levers and switches. It is when test flying the helicopter in order to be able to trim useful during and after initial trimming of the helicopter it quickly, and then use a finer setting, such as 3–1, for...

  • Page 10: Heli - System Menu - Advanced Functions

    Hover Pitch levers, and to Activate/Deactivate the Governor function. ADDITIONAL FLIGHT MODES 3 and 4 The X9303 2.4 is capable of offering the pilot up to 6 If the additional flight modes are desired, please follow separate flight modes. The X9303 2.4 is factory preset to the activation procedure below.

  • Page 11: Rud Trim: Com - (Flight Mode Trim Options)

    COM mode, the digital trim for rudder is Common or shared by the 3 Flight Modes. If FM is selected, the X9303 2.4 keeps track of the digital trims independently for each Flight Mode, which means the pilot can re-trim the rudder using the digital trims for each Flight Mode.

  • Page 12: Activate/Deactivate Switches

    ACTIVATE/DEACTIVATE SWITCHES The X9303 2.4 provides the ability to disable a number of 1. If PIT TRIM, GEAR, AUX2, AUX3, or AUX4 are to be the switches on the transmitter – Pit TRIM, GEAR, AUX2, used as a 2nd primary flight control, then inhibit the AUX3, and AUX4.

  • Page 13: Swash Typ-Swashplate Type

    SWASH TYP-SWASHPLATE TYPE The Swashplate Mixing function enables the X9303 2.4 The Swashplate options are: system to operate many different types of swashplate 1 Servo Non-CCPM, standard mixing type control systems, including 5 different versions of CCPM. 2 Servo/180° CCPM 3 Servo/120°...

  • Page 14: Function Mode

    FUNCTION MODE HELI – FUNCTION LIST Once the basic helicopter configuration has been The descriptions are general in nature and are intended to defined in the SYSTEM Menu, the functions found in the provide enough information to decide whether or not to FUNCTION LIST are used to complete the setup and then use a function, and what types of selections and settings to adjust how the helicopter flies and how it is controlled.

  • Page 15: Auto Dual Rate

    Auto Dual Rate The Automatic Dual Rate function allows you the To access the Auto D/R feature, simply roll the selector to opportunity to change the dual rate and expo values of the the right until the D/R Expo graph is replaced by the Auto elevator, aileron, and rudder by changing the flight mode D/R Flight Mode list.
  • Page 16 Install servo arms on the servos so that the arms are at the helicopter. Using excessive sub trim percentages can 90˚ or perpendicular to the servo case/linkage. As JR cause a loss in servo travel in one direction where the...

  • Page 17: Trvl Adj. - Travel Adjust

    TRVL ADJ. – TRAVEL ADJUST Travel Adjust is used to adjust how far a servo travels in 1. Highlight and select TRVL ADJ. in the FUNC.LIST each direction. After the linkages have been installed and to obtain the Travel Adjust display. attached to the servos, adjust the amount of servo travel 2.

  • Page 18: Swash Mix- Ccpm Swashplate Mixing

    The CCPM Swashplate Mixing function (Cyclic Collective Swashplate mixing. If CCPM Mixing has not been Pitch Mixing) of the X9303 2.4 is designed to allow the activated, skip to Throttle Hold/ThrottleCurves) X9303 2.4 to be used in model helicopters that utilize 2-servo (180°), 3-servo (120°), 3-servo (90°) type and...

  • Page 19: Ccpm Exponential (Exp)

    CCPM Exponential (EXP) The purpose of this exponential is to remove the non- Accessing the Swashplate Mixing Function linear, or rough movement of the swashplate due to the 1. Place the transmitter power switch in the ON position. mechanical differential of the servo horn. 2.

  • Page 20: Thro Hold- Throttle Hold

    THRO HOLD- THROTTLE HOLD The Throttle Hold function is designed to hold the Accessing the Throttle Hold Function throttle servo in a specific position during an autorotation. 1. Place the transmitter switch in the ON position. This is very useful for practicing autorotation landings. 2.

  • Page 21: Stick Auto/Auto Cut Setting

    Stick Auto/Auto Cut Setting The Stick Auto setting may be easier to think of To activate the Stick Auto function, highlight the Stick as an automatic Throttle cutoff point, since this is Auto function with the selector, and press to access. Next, function it performs.

  • Page 22: Thro Curv - Throttle Curves

    THRO CURV – THROTTLE CURVES The X9303 2.4 offers up to five (5) separate throttle curves Positions 1 and 2 (Stunt 1 and Stunt 2) should be used with up to seven adjustable points per curve. This function for aerobatic maneuvers and forward flight. Optional flight...
  • Page 23 Accessing the Throttle Curve Function 1. Place the transmitter switch in the ON position. 4. Move the Rolling Selector and highlight the desired throttle point to be adjusted. Press the Rolling 2. Press the List key simultaneously to enter the Selector to open the point value, then roll the Rolling Function Mode.

  • Page 24: Throttle Trim Lever Function

    Point-H 100.0% L 1 2 3 4 5 H Throttle Curve Exponential With the X9303 2.4 system, individual throttle curves Accessing the Throttle Curve Exponential are selectable to be either straight (linear) or curved Function (exponential) setting. With the exponential function on, 1.

  • Page 25: Pit. Curv/Pitch Curves Function

    PIT. CURV/PITCH CURVES Function Note: The pitch curve for the Throttle Hold Adjustment of the pitch curve is very similar to the throttle curve adjustment described in the preceding section. A function and Stunt Modes 3 and 4 can only be thorough understanding of the Throttle Curve Section will set if these functions have been activated in the make pitch curve adjustment easier to understand.

  • Page 26: Hovering Pitch Lever

    Hovering Pitch Lever The Hovering Pitch lever operates in the same manner as Example of Throttle Curve and Pitch Curve the Hovering Throttle knob. It is only operable while the Settings flight mode switch is in the ‘’N’’ (normal) position, and its An example of throttle curve and pitch curve settings for function is to shift the middle portion of the curve upward aerobatic specifications are shown below in the form of...

  • Page 27: Revo.mix/Revo Mix Function: Non Heading Lock Gyros Only

    REVO.MIX on the top of the LCD to The X9303 2.4 offers two separate revolution mixing indicate the current throttle stick/mix position programs, with independent up and down mixing for (U for Up, D for Down).

  • Page 28: Gyro Sens/Gyro Gain Function

    GYRO SENS/Gyro Gain Function The X9303 2.4 offers two different types of Gyro Gain If the manual (RUDD D/R) mode is selected, gain Sensitivity Adjustments: manual or automatic. This changes are made manually by the pilot using the feature gives the user the choice of selecting gyro Rudder D/R switch.

  • Page 29: Remote Gain Gyros

    Gyro Remote Gain Connections: JR G500T, JR770 and Others Remote Gain Gyros Connect the gain lead to the AUX2 channel of the receiver, and the black connector to the rudder channel. White to AUX2 Note: This function is designed to be used only...

  • Page 30: Rudder-To-Throttle Mixing

    Rudder-to-Throttle Mixing During 540 stall turns and fast pirouettes, the tail rotor absorbs power and the main rotor rpm decays. This can be compensated for through the use of the RUDDTHRO mix. By adding a throttle value to this mix, when rudder is applied, the throttle is advanced or reduced depending on the desired change in rpm.

  • Page 31: Aileron-To-Throttle And Elevator-To-Throttle Mixing

    Setting the Desired Flight Modes for Cyclic-to-Throttle Mixing 6. Press the Rolling Selector to open the Flight Mode The X9303 2.4 allows you to select the specific Flight modes when the Cyclic-to-Throttle Mixing will be active. options box. Highlight the desired flight mode to be...

  • Page 32: Accessing The Governor Function

    Device Select function in System Mode. 2. Press the LIST key to enter the Function mode. The X9303 2.4’s Governor function is designed to be used 3. Move the Selector and highlight the GOVERNOR with most currently available Governors on the Market.
  • Page 33 PROG MIX 1-6 – PROGRAMMABLE MIXES 1 through 6 The X9303 2.4 System provides 4 Standard The mixing parameters are also programmable and programmable mixes (PROG.MIX3 through PROG.MIX6) include the direction of travel of the Slave channel; the and 2 Multi-Point programmable mixes (PROG.MIX1 &...
  • Page 34 PROG MIX 1-6 – PROGRAMMABLE MIXES 1 through 6 (continued) • Eliminate Pitch to Collective Trim Changes • Activating Retractable Gear via the Flight (non CCPM only) Mode switch This is a condition when the Heli rolls left or right, or This form of mix would allow you to activate your pitches fore or aft when a collective input is given.

  • Page 35: Swashplate Timing Mixes Example: Elevator-To-Aileron (Corrects Vertical Tracking)

    Swashplate Timing Mixes Example: Elevator-to-Aileron (Corrects Vertical Tracking) Perhaps the best way to describe a Programmable Mix is The mix parameters will be selected and set in the by example. The example below demonstrates a program following order: Program Mix number (3-6), Master and mix for a heli that pulls or climbs to the left when pulling Slave channels, Mix Position and Flight Mode.
  • Page 36 Swashplate Timing Mixes (continued) 4. Travel and Direction. Highlight POS 1 with the If an Elevator-to-Aileron mixing value is also required Selector and Press to access the values. Move the for Down Elevator, move the Elevator stick to the down Elevator stick to the full up position and the lower position.

  • Page 37: Swashplate Timing: Aileron-To-Elevator (Corrects Rolling Maneuvers)

    Swashplate Timing: Aileron-to-Elevator (Corrects Rolling Maneuvers) This form of mix functions and is set up exactly as we Highlight and select one of the Standard Programmable have outlined in the Elevator-to-Aileron Mix section, and Mixers (PROG.MIX3PROG.MIX6) to obtain the first allows the helicopter to roll more axial along the Tail Programmable Mix display.
  • Page 38 Swashplate Timing: Aileron to Elevator (continued) 1. Select Master. All Programmable Mixers default 3. Select Position and Flight Modes. Move the Selector to Throttle as both the Master and the Slave to highlight each of the active flight modes (NRM, (THROTHRO).
  • Page 39 STANDARD PROGRAMMABLE MIXES – Example: Right Aileron with Positive Pitch The example below demonstrates a program mix for a Slave channels, Mix Position and Flight Mode. This is heli that pulls or climbs to the left when collective pitch is generally a good sequence to follow when setting up a added.
  • Page 40 STANDARD PROGRAMMABLE MIXES – Example: Right Aileron with Positive Pitch (continued) 2. Select Master. All Programmable Mixers default 4. Select Position and Flight Modes. Move the Selector to Throttle as both the Master and the Slave to highlight each of the active flight modes (NRM, ST1, (THROTHRO).

  • Page 41: Multi-Point Mixes - Example: Fmod To Gear Mixing (Retract And Other Functions)

    MULTI-POINT MIXES – Example: FMOD to Gear Mixing (Retract and other Functions) The example below demonstrates a Multi-Point 1. Program Mix Number. Highlight and select one of the Program Mix for coupling the Retractable Gear function Multi-Point Programmable Mixers (PROG.MIX1 to the Flight Mode switch so that the Gear will or PROG.MIX2) to obtain the first Multi-Point automatically move up and down when moving through...
  • Page 42 MULTI-POINT MIXES – FMOD to Gear (continued) 4. Select switch. Scroll down, highlight, and press SW SELECT. The Box will open to display the activated Flight Modes. Move the Selector to highlight each of the Flight Modes, and press to select ON or OFF for the mix in each of the Flight Modes.
  • Page 43 MULTI-POINT MIXES – FMOD to Gear (continued) 5. Set Points for Travel and Direction. There are 8. Verify Operation. Power up the receiver, making sure 7 points displayed. A negative value at a point that the heli is elevated for the first time in case the typically indicates a Gear Up movement at that point Gear is functioning in the opposite direction desired.

  • Page 44: Trainer - Programmable Trainer System

    Trainer Display. X9303 2.4 USED AS MASTER (INSTRUCTOR) – (Trainer System) 4. If the X9303 2.4 is being used as the Master transmitter (the transmitter operated by the instructor), select the channel(s) that are to be operated by the Slave transmitter (transmitter operated by the student) when the trainer switch is depressed.
  • Page 45 DSC & POWER off. Make sure the transmitter power switch is in the OFF position and the DSC cord is connected between the 2 transmitters. [Trainer] SLAVE Connect DSC & POWER off The X9303 2.4 is now ready to be used as the Slave or student transmitter. H-45...

  • Page 46: Timer - Timer System

    Timer – Timer System The X9303 2.4 contains a Timer System that contains 1. To configure the timer as a Countdown timer, highlight two timers. One is an integrated timer that keeps track of and select Timer in the FUNCTION LIST to obtain total transmitter-on time for the model and it is displayed the Timer display.

  • Page 47: Monitor- Servo Monitor

    MONITOR- SERVO MONITOR The Servo Monitor function displays each channel and and CH-6. It is a handy way to determine what channels shows the movement of channels when sticks, levers are mixed with other channels and to verify programming and switches are moved. It renames channels according when the helicopter is not at hand.

  • Page 48: Setup Sheet (Helicopter)

    Setup Sheet (Helicopter) MODEL NO MODEL NAME SPOI AIL1 ELEV RUDD AIL2 FLAP AUX2 AUX3 NORM NORM NORM NORM NORM NORM NORM NORM REVERSE SW SUB TRIM TRAVEL ADJUST AILE ELEV RUDD POS0 ACT INH AUTO POS1 ACT INH POS2 ACT INH DUAL RATE/EXP AUX2...

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