Graupher HoTT-MX-12 Programming Manual

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H O P P I N G . T E L E M E T R Y . T R A N S M I S S I O N

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33112.mx-12 HoTT.2.gb

H O P P I N G . T E L E M E T R Y . T R A N S M I S S I O N

mx-12

Programming Manual

06.06.2011 19:46:36

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Page 1 33112.mx-12 HoTT.2.gb H O P P I N G . T E L E M E T R Y . T R A N S M I S S I O N mx-12 H O P P I N G . T E L E M E T R Y . T R A N S M I S S I O N GRAUPNER GMBH &...
Page 2: Table Of Contents
Contents Wir gewähren auf dieses Erzeugnis eine Garantie von Monaten This product is warrantied for months Guarantee certiﬁ cate Sur ce produit nous accordons une garantie de mois General Information Digital trims ..............40 Examples............. 111 Servicestellen / Service / Service après-vente Die Fa.
Page 3: Safety Notes
Safety Notes Please read carefully! We all want you to have many hours of pleasure in our Short-circuits can easily destroy parts of the radio con- strain, are not tightly bent (kinked) or broken. Avoid mutual hobby of modelling, and safety is an important trol system, but even more dangerous is the acute risk sharp edges, as they can chafe through insulating aspect of this.
Page 4 Safety Notes any other installed equipment in the model, but in an Ensure that no metal parts are able to rub against each from other transmitters and any interference, and may easily accessible position. Under no circumstances al- other, e. g. when controls are operated, when parts respond.
Page 5 Checking the transmitter and receiver batteries Frequent charging, and / or the use of maintenance must be chosen to suit the size of the electric motor it is programs, tends to cause a gradual reduction in battery required to control. It is essential to stop using the radio control system and capacity.
Page 6 Safety Notes applicable to mobile transmitting apparatus, the Graupner cannot accept liability for non-approved equipment’s aerial must be at least 20 cm from any components or accessories made by other manu- person when the system is in use. We therefore do facturers.
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Page 8: Safety Notes And Handling Instructions Relating To Nickel-Metal-Hydride Rechargeable Batteries
Safety notes and handling instructions relating to Nickel-Metal-Hydride rechargeable batteries As with all sophisticated technical products, it is vitally rent speciﬁ ed for the cell type in use. may eventually exhibit reduced capacity. important that you observe the following safety notes •...
Page 9 which allows you to set the charge current accurately, ing it. then the battery should always be recharged using the • Reﬂ ex charging and charge / discharge (cycle) “normal” charge rate of 1/10C; see the example stated programs shorten the effective life of batteries unnec- above.
Page 10: Foreword
mx-12 the latest generation of radio control technology HoTT (Hopping Telemetry Transmission) is the synthe- The large graphic screen makes operating the trans- Dual-Rates, Butterﬂ y (Crow) and many others, are all sis of expertise, engineering and world-wide testing by mitter a simple, intuitive process.
Page 11: Description Of Radio Control Set
mx-12 Computer System Six-channel radio control set with Graupner HoTT 2.4 GHz technology (Hopping Telemetry Transmission) • Micro-computer radio control system exploiting the latest Graupner HoTT 2.4 GHz technology • Bi-directional communication between transmitter and receiver • Five different languages German and English;...
Page 12 mx-12 Computer System Six-channel radio control set with Graupner HoTT 2.4 GHz technology (Hopping Telemetry Transmission) • Four switches (two three-way switches, one two-way Servo Throw) • More than 200 systems can be operated simultane- switch and one momentary switch), plus two digital ously •...
Page 13: Recommended Battery Chargers
Speciﬁ cation, mx-12 HoTT transmitter The set Order No. 33112 contains: Speciﬁ cation, GR-12 HoTT receiver mx-12 HoTT micro-computer transmitter with integral Frequency band 2,4 … 2,4835 GHz Operating voltage 3,6 … 8,4 V 4NH-2000 RX RTU ﬂ at-pack Ni-MH transmitter bat- Modulation FHSS Current drain...
Page 14: Transmitter Power Supply
Operating Notes Transmitter power supply 200 mA. Removing the transmitter battery The mx-12 HoTT transmitter is ﬁ tted as standard with The transmitter must be switched “OFF” for the whole To remove the transmitter battery, ﬁ rst disengage the period of the charge process. Never switch on the a high-capacity rechargeable 4NH-2000 RX RTU Ni-MH cover over the battery compartment on the back of the transmitter when it is still connected to the charger;...
Page 15 Battery timer, bottom left corner of the screen This timer displays the cumulative operating time of the transmitter since the last time the transmitter battery was charged. This timer is automatically reset to “0:00” when the transmitter detects that the voltage of the transmitter battery is signiﬁ...
Page 16: Receiver Power Supply
Operating Notes Receiver power supply Charging the receiver battery • Do not discharge the battery or carry out a battery maintenance program via the integral charge socket. A wide range of rechargeable four-cell and ﬁ ve-cell NiMH The charge lead, Order No. 3021, can be connected The charge socket is not suitable for this application.
Page 17: Adjusting The Stick Length
Adjusting stick length Opening the transmitter case Hold the two case sections together with your hand, and turn the unit over to allow these six screws to fall out Both sticks are inﬁ nitely variable in length over a broad Please read the following notes carefully before you onto the table.
Page 18: Changing The Stick Mode
Operating Notes Converting the dual-axis stick units Self-centring action Either or both sticks can be converted from self-neutral- ising to non self-neutralising action: start by opening the Folding aerial transmitter as described on the previous page. If you wish to change the standard stick unit arrange- ment, start by locating the screw on the left-hand stick unit shown circled in white in the photo below.
Page 19 Brake spring and ratchet Stick centring force You can alter the braking force of the stick by adjusting The centring force of the sticks is also variable to suit the outer of the two screws circled in white in the next your preference.
Page 20: Description Of Transmitter
Description of transmitter Transmitter controls Attaching the transmitter neckstrap Central Status LED You will ﬁ nd a strap lug mounted in the centre of the front face of the mx-12 HoTT transmitter, as shown in Aerial with folding / rotating base Neckstrap lug the drawing on the right.
Page 21: Rear Of Transmitter
Optional headphone socket If you install the optional speech output module, Order No. 33001.71, and replace the name plate, it is possible to connect a standard commercial earphone or head- phones ﬁ tted with a 3.5 mm barrel plug (not included in the set) to the central socket.
Page 22: Dsc (Direct Servo Control)
Data storage Direct Servo Control Card slot micro-SD and micro-SDHC When you switch off the mx-12 HoTT transmitter and The original function of this socket was for “Direct Servo PUPIL stop 0:00 Control”, and that’s why the abbreviation is still in use. remove the battery compartment cover, you will see the 0:00 However, for technical reasons “direct servo control”...
Page 23 insert it in the card slot of a PC or laptop. If you wish, GRAUBELE stop 0:00 the standard - ﬁ xed - date of creation can be changed 0:00 on the PC using a suitable program, and the data can «nor mal »...
Page 24: Screen And Keypad
Screen and keypad Visual display of the trim lever positions; alternatively - if rota- ry controls CTRL 7 or 8 are operated - display of the current settings of these two controls Model type display Model name See page 28 for possible warnings (ﬁ...
Page 25: Operating The "Data Terminal
Operating the “Data Terminal” Input buttons ESC, SET, CLEAR, Short-Cuts symbols On-screen telemetry symbols Buttons to the right of the screen You can call up particular menus or options directly us- ing the following button combinations: The active model memory is not yet “bound” •...
Page 26: Language Selection, Screen Contrast
HIDDEN MODE Language selection and screen contrast The “HIDDEN MODE” (VERSTECKTER MODUS) menu Activate the value ﬁ eld by pressing the central but- transmitter’s audible signals. As standard these telem- of the mx-12 HoTT transmitter can be accessed from ton of the right-hand four-way button: etry messages are spoken in the German language.
Page 27 Conﬁ rm your choice by pressing the central button dure. RF ON/OFF? of the right-hand four-way button once more: the se- • If the warning … lected voice package is now loaded into the transmitter’s SD-CARD memory: Changing the language INSERT HIDDEN MODE Use the arrow buttons of the left or right-hand four-way...
Page 28: On-Screen Warnings
Warnings On-screen function ﬁ elds SEL, STO, SYM, ASY, Warnings The bottom line of the screen displays function ﬁ elds CAN‘T which vary according to the menu selected. RECEIVE “Binding not present” No bound receiver in range. DATA No receiver is bound to the currently active model mem- BIND N/A ory.
Page 29: Position Indicator, Rotary Controls Ctrl 7 + 8
Position display Input lock Rotary proportional controls CTRL 7 and 8 As soon as you operate one of the two rotary controls To prevent programming errors, it is possible to lock the CTRL 7 + 8 on the centre console, a small symbol ap- four-way buttons, and with them access to all the set-up options, from the base display of the mx-12 HoTT pears to the right of the two vertical position indicators:...
Page 30: Using The Transmitter For The Fi Rst Time
Using the transmitter for the ﬁ rst time Preliminary notes regarding the mx-12 HoTT transmitter For more information please visit our Internet site at www.graupner.de Preliminary notes Within this period you can switch off the RF signal if re- At the right of the same line a display in the same format quired by moving the black ﬁ...
Page 31 they become available. replaced by “x”, and the receiver battery voltage is displayed as 0.0 V. At the same time the radio Important notes: control system switches to Fail-Safe mode. • The transmitter included in the set is prepared at If this should happen, simply increase the dis- the factory with the correct settings for most Eu- tance between transmitter and receiver until the...
Page 32: Using The Receiver For The Fi Rst Time
Using the receiver for the ﬁ rst time Preliminary notes regarding the GR-12 receiver For more information please visit the Internet at www.graupner.de. Receiving system Temperature warning bered sockets. If there is no vacant servo socket, it is The mx-12 HoTT radio control set includes a GR-12 also possible to connect the power supply via a Y-lead, If the temperature of the receiver falls below a limit value Order No.
Page 33 Concluding notes: out with an already bound receiver, if the transmitter is RX CURVE CURVE1 CH switched on, and if the associated model memory is ac- • The much higher servo resolution of the HoTT sys- TYPE : tive, then the LED lights up green after a short interval to tem results in a substantially more direct response CURVE2 CH indicate that your transmitter / receiving system is ready...
Page 34: Installation Notes
Installation Notes Installing the receiver The following section contains notes and helpful chanical linkage can obstruct the servo’s movement. ideas on installing radio control components in the The sequence in which the servos are connected to the Regardless of which Graupner receiving system you are model: receiver is dictated by the model type.
Page 35: Receiving System Power Supply
Receiving system power supply A reliable power supply is one of the basic essentials for system with a total of four analogue servos. When mak- For example, many of these servos respond to the high reliable model control. Free-moving pushrods, a fully- ing your calculations, however, please bear the receiver voltage with a clearly audible “rumble”.
Page 36 generally do not survive such a high number of charge / discharge cycles as is claimed for other batteries, such as Nanophosphate® types. The comparatively high nominal voltage of 7.4 Volt of a two-cell LiPo pack presents no problems to Graupner HoTT receivers, nor to those servos, speed controllers, gyros, etc.
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Page 38: Deﬁ Nition Of Terms
Deﬁ nition of terms Control functions, transmitter controls, function inputs, control channels, mixers, switches, control switches To make it easier for you to understand the mx-12 • The switches SW 4/5 and 6/7, and CTRL 9 and 10 affect multiple servos at the branching point of the mixer HoTT manual, the following section contains deﬁ...
Page 39: Switch And Transmitter Control Assignment
Assigning switches and control switches The basic procedure At many points in the program there is the option of pletes the assignment process. • Automatically extending landing ﬂ aps with coupled el- using a switch (SW 1, 3 … 7) or a control switch (G1 … evator trim adjustment on the landing approach, as Changing the direction of switching: 3;...
Page 40: Digital Trims
Digital trims Description of function, and Ch 1 cut-off trim Digital trims with visual and audible indicators 1. Fixed-wing models 2. Model helicopters The Ch 1 trim features a special cut-off trim which is In helicopter mode the Ch 1 trim has another feature in Both the dual-axis stick units are ﬁ...
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Page 42: Fixed-Wing Model Aircraft
Fixed-wing model aircraft This program provides convenient support for normal tail, you need to select the tail type “V-tail” in the “Basic “Dual Rate” and “Exponential” can be programmed model aircraft with up to two aileron servos and two ﬂ ap settings”...
Page 43: Receiver Socket Sequence
Installation notes … and “V-tail” tail type … with two elevon and two ﬂ ap / elevator servos The servos MUST be connected to the receiver Free, or auxiliary function Left flap (aileron) / elevator outputs in the following order: Receiver power supply Receiver power supply Outputs not required are simply left vacant.
Page 44 As there are several possible combinations of servo orientation and control surface linkage, you may ﬁ nd that the direction of rotation of one or more servos is incor- rect. Use the following table to solve the problem. Model Servo rotating in Remedy type wrong direction...
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Page 46: Model Helicopters
Model helicopters The continued development of model helicopters and “Dual Rate” and “Exponential” are available for roll, cide with the centre point of the stick arc, and adjust the helicopter components, such as gyros, speed governors, pitch-axis and tail rotor; they can be coupled together, collective pitch travel as required.
Page 47: Receiver Socket Sequence
Note for modellers upgrading from earlier Graupner … with four swashplate servos systems: Throttle or speed governor Compared with the previous receiver channel sequence, Receiver power supply servo socket 1 (collective pitch servo) and servo socket Pitch-axis 2 servo Tail rotor servo (gyro system) 6 (throttle servo) have been interchanged.
Page 48: Setting Up A New Model Memory
Detailed description of programming Reserving a new memory If you have already read through the manual to this select model => point, you will undoubtedly have made your ﬁ rst attempt free => clear model at programming the system already. Even so, it is impor- free copy mod–>mod =>...
Page 49 press the central button of the right-hand four-way rectly to the corresponding option. For more detailed a blank line, or the model’s name if a name has al- button brieﬂ y in conﬁ rmation. This initialises the chosen information on binding a receiver please refer to pag- ready been entered in the “Basic settings”...
Page 50 sticks, whereas servos connected to sockets 5 and 6 remain steadfastly at their centre position. If you set up a new model helicopter, servo 6 may also respond to some extent to the controls - depending on the position of the throttle limiter CTRL 7. For both model types this situation only changes once you have carried out the appropriate assignments in the “Transmitter control settings”...
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Page 52: Model Memories
Model memories Calling up a model, erasing a model, copying model model The section on pages 24 and 25 explains the basic select model clear model method of using the buttons, while the previous two => => select model select model double-pages explains how to move to the Multi-function =>...
Page 53 Caution: now select the target memory using the arrow buttons Export to SD The erasure process is irrevocable. All data in the of the left or right-hand four-way button, and con- Use the arrow buttons of the left or right-hand four- selected model memory is reset to the factory ﬁ...
Page 54 copied to the SD card. Import from SD memory, conﬁ rm your choice with SET, or press to interrupt the process. An occupied memory can be Use the arrow buttons of the left or right-hand four- Notes: overwritten: way button to select the “Import from SD” sub-menu, •...
Page 55 is copied along with the model data, so that the re- ceiving system associated with the original model memory can also be operated using the SAME trans- mitter and the copied memory without repeating the binding procedure. Program description: model memories 33112_mx12_HoTT_2_GB.indd Abs23:55 33112_mx12_HoTT_2_GB.indd Abs23:55 06.06.2011 19:39:37...
Page 56: Base Settings" (Model) Fixed-Wing Model Aircraft
Base settings Basic model-speciﬁ c settings for ﬁ xed-wing model aircraft Before you start programming speciﬁ c parameters, to select the desired character, then move to the next Use the arrow buttons of the left or right-hand four- some basic settings must be entered which apply only position in the name by pressing the arrow button way button to move to the “Stick mode”...
Page 57 four possible options: electric motor cannot start running accidentally. mod name GRAUBELE The safe option is always to disconnect the fuel “idle fr.”: The idle position of the throttle / airbrake stick mode supply or the ﬂ ight battery. stick (C1) is forward, i. e. away from the pilot. idle re.
Page 58 „Delt/FlW“: The mixed elevon (aileron and eleva- “1aile” Both ailerons are actuated by a single mod name GRAUBELE tor) control system requires two or four servo. stick mode separate servos, one or two in each wing. “2aile” Each aileron is actuated by one servo. idle re.
Page 59 timer buttons of the right-hand key (CLEAR). process. Once you have switched back to the basic display Two timers are shown in the basic display: one stop- Switching between “count-up” and “count-down” by pressing the central button of the left-hand watch and one ﬂ...
Page 60 The “alarm timer” is reset by simultaneously pressing For example, this would be phase 2 if the switch as- Receiver output buttons of the right-hand four-way but- signed to phase 3 is also closed. For maximum ﬂ exibility in terms of receiver socket ton (CLEAR), once you have halted the timer.
Page 61: Binding Receivers
hand arrow buttons, and conﬁ rm your choice with “Binding” multiple receivers to one model screen in the frame of the “rx bind” line, instead of the … or alternatively press the buttons of the three “---”: If necessary, it is possible to bind more than one re- right-hand four-way button (CLEAR) simultaneously to ceiver to a single model.
Page 62: Range-Checking
range test occur in a typical ﬂ ight. To ensure safe operation of phase 2 takeoff the model, the range must always be at least ﬁ fty me- The integral range-check reduces the transmitter’s out- phase 3 speed tres on the ground. put power in such a way that you can test the system’s receiv out operation at a distance of up to about ﬁ...
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Page 64: Model Helicopter
Base settings Basic model-speciﬁ c settings for model helicopters Before you start programming speciﬁ c parameters, to select the desired character. Press one of the arrow Use the arrow buttons of the left or right-hand four- some basic settings must be entered which apply only buttons of the right-hand four-way button, or its way button to select the “Stick mode”...
Page 65 is framed. Press the button: the current number of roll servo on one side, and two pitch-axis collective pitch servos is highlighted on the screen. You servos front and rear. can now determine the required variant using the arrow “4sv(90)”: Four-point swashplate linkage using two buttons of the right-hand four-way button: roll and two pitch-axis servos.
Page 66 Cut off mod name STARLET mod name STARLET As part of the auto-rotation set-up procedure of the stick mode stick mode mx-12 HoTT transmitter’s Helicopter program there is swashplate 3sv(2rol) swashplate 3sv(2rol) the option to deﬁ ne a “motor OFF” position for the throt- –125% –125% +100% 1 cut off...
Page 67 Press the central button of the right-hand four-way Timers button, and the direction of operation of the throttle / Two timers are shown in the basic display: one stop- collective pitch stick is highlighted. Now you can select watch and one ﬂ ight timer. the required variant using the arrow buttons of the right- STARLET stop...
Page 68 the right-hand four-way button (CLEAR). Switch back to the basic display by repeatedly press- ton (CLEAR) after you have halted the timer. ing the central button of the left-hand four-way Switching between “count-up” and “count-down” Note: button. With the stopwatch halted, press the A count-down timer is indicated in the basic display by Count-up timer (stopwatch function) buttons of the right-hand four-way button simultane-...
Page 69 • With this in mind, you may wish to alter the default The name “Auto-rotation” is permanently assigned to output ﬂ ight phase name “Hover” for ﬂ ight phase 2 to take Phase 3, and CANNOT be altered. The only available output the inherent priorities into account;...
Page 70: Binding Receivers
ceiver to a single model. This is accomplished by initially three “---”: output binding the receivers individually, as described in the output timer 10:01 G3 next section. output phase 2 hover When operating the system, please note that only output autorotat.
Page 71: Range-Checking
Range test When you start the range-check, the transmitter’s RF transmit output power is signiﬁ cantly reduced, and the blue The integral range-check reduces the transmitter’s output In this menu line you can manually switch the transmit- LED on the aerial base starts to ﬂ ash. At this point power in such a way that you can test the system’s ter’s RF transmission on and off again for a speciﬁ...
Page 72: Servo Settings
Servo settings Servo direction, centre, travel receiver output socket to which a particular servo(s) is Column 3 “Centre” 100% 100% connected, assuming that these have not been swapped The facility to offset the servo travel centre is intended 100% 100% over.
Page 73 Column 4 “- Servo travel +” directly by a stick channel, or by means of any type of mixer function. In this column you can adjust servo travel symmetrically or asymmetrically (different each side of neutral). The adjustment range is 0 … 150% of normal servo travel. The reference point for the set values is the setting in the “Centre”...
Page 74: Transmitter Control Settings
Transmitter control settings Basic procedures for assigning transmitter controls and switches at their centre point when you operate the associated set the desired value using the arrow buttons of the free +100% +100% transmitter controls. right-hand four-way button. free +100% +100% This may seem rather inconvenient at ﬁ...
Page 75 will ﬁ nd in the “Transmitter control settings” menu as Column 3 “-Travel+” hand four-way button to alter the values: “Control 9” and “Control 10”, provide a centre position in In this column the transmitter control can be adjusted +100% +100% addition to the two end-points.
Page 76: Model Helicopter
Transmitter control settings Basic procedures for assigning transmitter controls and switches model memory with the model type “Helicopter” and If necessary, use the arrow buttons of the left free +100% +100% “bound” it to the receiver you intend to install. Any servo or right-hand four-way button to switch to the desired free +100% +100%...
Page 77 need to be operated for slightly longer. If the travel is not +100% +100% +100% +100% sufﬁ cient for the transmitter to detect it, move the control free +100% +100% free +100% +100% in the opposite direction. ctrl 7 +100% +100% ctrl 7 +100% +100% If you assign one of the two-position switches, then this...
Page 78 Important: „Gyr“ “Throttle” In contrast to servo travel adjustments, changing the free +100% +100% ctrl 8 +100% +100% transmitter travel setting affects all mixer and coupling free +100% +100% free +100% +100% inputs derived from it, i. e. in the ﬁ nal analysis all the ctrl 7 +100% +100%...
Page 79: Throttle Limit Function
Throttle limit function “Lim” input By default the “lim” input is assigned to the rotary pro- gramming. However, it also gives an additional level of safety if, for portional control CTRL 7, which is located at top left on example, you have to carry your helicopter to the ﬂ ight By their very nature, both methods of controlling power the transmitter: line with the motor running: you simply move the control...
Page 80 To complete this basic set-up you still have to adjust the Last idle position Current trim position idle trim range to coincide with point “1” of the throttle Throttle limit cont GRAUBELE stop 0:00 curve. This is accomplished by setting point “1” of the input 0:00 “Ch 1...
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Page 82: D/R Expo
D/R Expo Switchable control characteristics for aileron, elevator and rudder Use the arrow buttons of the left or right-hand four-way tions (aileron, elevator and rudder), without forfeiting “Base settings” menu (see page 60), then this appears button to leaf through to the “D/R Expo” menu point of full travel at the end-points of stick movement.
Page 83 … and assign a physical switch as described in the sec- indicates the direction of operation when you move the Combined Dual Rate and Expo tion “Assigning switches and control switches” on page switch. If you enter values for both Dual Rates and Expo, the 39.
Page 84: Model Helicopter
D/R Expo Switchable control characteristics for roll, pitch-axis and tail rotor Another application for exponential is to improve the the desired line “Roll”, “Pitch” or “Tail” using the arrow roll 100% ––– linearity of rotary-output servos, which are the standard buttons of the left or right-hand four-way button.
Page 85 edge of the screen, and set the values for each of the tion. Combined Dual Rate and Expo two switch positions separately in the highlighted ﬁ eld Select the right-hand column, marked with EXPO at If you enter values for both Dual Rates and Expo, the using the arrow buttons of the right-hand the bottom edge of the screen, in order to change the...
Page 86: Phase Trim" (Fi Xed-Wing)
Phase trim Flight phase-speciﬁ c trims for ﬂ aps, ailerons and elevator If you have not assigned a switch to phases 2 or 3 in If you wish to enter values other than “0”, e. g. to have • air-tow the “Basic settings”...
Page 87 Select the desired control surface function using the arrow buttons of the left or right-hand four-way but- ton, then press the central button of the right-hand four-way button. The trim values in the highlighted value ﬁ eld can now be adjusted using the arrow-buttons of the right-hand four-way button.
Page 88: What Is A Mixer
What is a mixer? Fixed-wing mixers The basic function In many models it is often desirable to use a mixer to For more information please refer to the general notes d i f f a i l e . ––– couple various control systems, e.
Page 89 Notes: changing ﬂ aps are deﬁ ned; this is intentional, as it … is by default the zero point of the transmitter control, eliminates the danger of errors when a ﬂ ap command i. e. that is the point at which they have no effect. At the •...
Page 90 reliable centring. corresponds to a normal linkage, i. e. no differential, Note: while “-100%” or “+100%” represents the “split” function. Negative values are not usually necessary if the correct Mechanical solutions are also possible, but they usually channels are used. have to be “designed in”...
Page 91 ﬂ aps (Aileron ﬂ ap) brak elev (Airbrake elevator) brak ﬂ ap (Airbrake ﬂ ap) This mixer feeds a variable amount of the aileron signal Extending any form of airbrakes usually generates an When you operate the brake function (Ch 1 stick), both into the ﬂ...
Page 92 brak aile (Airbrake aileron) started too soon, and has to be extended by retracting elev ﬂ ap (Elevator ﬂ ap) the airbrakes again, the model could then stall abruptly. When you operate the brake function, both aileron The ﬂ aps can be used to enhance the effect of the el- This inter-action between the ﬂ...
Page 93 “usual” settings are again in the low two-digit range. ﬂ ap aile (Flap aileron) diff red (Differential reduction) The problem of reduced aileron response in the but- ﬂ ap elev (Flap elevator) terﬂ y conﬁ guration has been mentioned earlier: if aileron differential is employed, the aileron response on the landing approach may be adversely affected through the extreme “up”...
Page 94: Heli Mixer
Helicopter mixers Flight phase-speciﬁ c mixers for collective pitch, throttle and tail rotor In the “Basic settings” menu a method of switching • hover button (CLEAR). ﬂ ight phases can be activated by assigning the appropri- • acro The name of the currently selected ﬂ ight phase is ate switches to “Phase 2”...
Page 95 the right-hand four-way button (CLEAR) resets an al- The programming procedure in detail +75%. tered value to the default value. The throttle / collective pitch stick can now be used to However, the optional points “2” and “4” can also be Press the central button of the right-hand four- move the vertical line in the graph between the two...
Page 96 (CLEAR). thro (throttle curve) In all ﬂ ight phases the motor (glow or electric) is started and stopped using the throttle limiter (see Points “1” and “5”, however, CANNOT be disabled. thro below). Note: If you are used to a different radio control system which The following illustration, and all the other pictures on input uses two separate ﬂ...
Page 97 Typical throttle curves for different ﬂ ight phases: in the “Lim” line of the “Transmitter control settings” contrast to the usual socket sequence - and the throttle menu. However, the throttle curve itself has to be ﬁ ne- curve adjusted so that it can simply assume the role of +100% +100% +100%...
Page 98 tail rotor (static torque compensation) tems. tail We recommend that you set up switchable ﬂ ight phases tail for this, and set different gain settings for each phase in input the “Gyro” line; values between -125% and +125% are output input possible.
Page 99 Adjusting the gyro sensor Swashplate limiter appears as a dead zone. If this function is used, you If you wish to set up a gyro to achieve maximum pos- ptch should leave “Dual Rate” sible stabilisation of the helicopter around the vertical thro at 100%, and you should axis, please note the following points:...
Page 100: Setting Up Throttle And Collective Pitch Curves
Adjusting the throttle and collective pitch curves A practical procedure Although the throttle and collective pitch control systems similar way to a glow-powered helicopter. the mechanical linkages in the model according to the are based on separate servos, they are always operated information supplied by the helicopter manufacturer, i.
Page 101 of this manual for a full explanation of the digital trims. b) Rotational speed too low already fully open and no further power increase is pos- +100% sible (this assumes that the motor is correctly adjusted), Around the mid-point of the collective pitch stick the Remedy: on the “Collective pitch”...
Page 102 Important ﬁ nal notes in premature wear of the clutch and gear train. The main +100% rotor blades are generally free to swivel, and they may Before you start the motor, check carefully that the throt- be unable to keep pace with such swift acceleration, in tle limiter is completely closed, so that the throttle can This diagram only shows the which case they might respond by swinging far out of...
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Page 104: Auto-Rotation Setting
Helicopter mixers Auto-rotation settings Auto-rotation allows full-size and model helicopters to cilities which are designed to help you ﬂ y your helicopter tive pitch minimum value at Point 1 to ensure that your land safely in a crisis, i. e. if the power plant should fail. in its unpowered state.
Page 105 For practice, then, you should set the value in this line Depending on the friction and running resistance of the so that the motor runs at a reliable idle during auto- gearbox, you may ﬁ nd that the fuselage still yaws slightly rotation, but without the clutch engaging, so that you in an auto-rotation descent.
Page 106: General Notes Re. Freely Programmable Mixers
General notes regarding freely programmable mixers The two menus “Fixed-wing mixers” and “Helicopter to assign an optional ON / OFF switch to it. However, and 76. The following menu description again includes mixers”, as described on the preceding pages, contain since there are so many functions to which switches can an example which makes this function clear.
Page 107: Free Mixers
Free mixers Linear mixers Regardless of the selected model type, three linear mix- with the switch symbol at the bottom edge of Note: ers are available for each of the ten model memories, the screen, press the central button of the right- If you have selected the supplementary control func- with the additional possibility of setting up non-linear hand four-way button again, and assign a switch if...
Page 108 sides of centre, or have to offset the mixer neutral point, ies according to the function which has been assigned NN * Servo pair 6 + 1 responds with aileron then you should set or leave the pre-set mixers at “0”, to it in the “Basic settings”...
Page 109 Mixer ratios and mixer neutral point Start by rotating the transmitter control to its left-hand MIX1 end-point, and adjust the landing ﬂ ap linkages so that Now that we have explained the wide-ranging nature of they are in the neutral (retracted) position at this setting. the mixer functions, we can move on to the method of tr v If you now turn the knob to the right, the ﬂ...
Page 110 shift the mixer neutral point exactly to that position. If Symmetrical mixer ratios of control travel, as described earlier. you have not already done so, turn the control - in our The next step is to deﬁ ne the mixer values above and MIX1 example this is CTRL 7 - to the left-hand end-stop and below the mixer neutral point, starting from its current...
Page 111: Examples
four-way button: the switch channel “S” as the mixer input. Now move MIX3 the selected switch to the OFF position, and move to MIX1 the … tr v +10% +10% offs +100% tr v +55% +20% offs SYM ASY The following example applies to model helicopters: In the case of helicopters with one to max.
Page 112: Swashplate Mixers
Swashplate mixers Collective pitch, roll and pitch-axis mixers the proper manner, then the ﬁ rst step is to change the SP – MIXER mixer directions (“+” or “-”), before you attempt to correct ptch +61% the directions of servo rotation. roll +61% nick...
Page 113: Servo Display
Servo display Use the arrow buttons of the left or right-hand four-way this does not relieve you of the need to check all your button to leaf through to the “Servo display” menu point programming steps carefully on the model before oper- of the multi-function menu: ating it for the ﬁ...
Page 114: Basic Settings
Basic settings Use the arrow buttons of the left or right-hand four-way four-way button to alter the default value. Pressing the 4.2 V (LiPo battery) - according to your choice of bat- button to leaf through to the “basic settings” menu point central button once more concludes the entry tery type - in increments of 0.1 Volt.
Page 115 Screen backlight of the right-hand four-way button (CLEAR) resets the GRAUBELE stop 0:00 value in the highlighted ﬁ eld to “Euro”. 0:00 Batt type Ni-MH «nor mal » Voice volume Batt war ning 4.7v 5.2V HoTT Touch Sense 3:33h 5.5V Touch Sense Contrast Contrast...
Page 116: Fail-Safe
Fail-Safe transmitter to receiver. The receiver outputs 1 … 6 can s, 0.75 s and 1 s). FAIL SAFE optionally … Simultaneously pressing the arrow buttons maintain (“hold”) their current position: of the right-hand four-way button (CLEAR) resets the highlighted ﬁ eld to the default value of 0.75 s. If interference should occur, all servos programmed hold to “hold”...
Page 117: Telemetry
Telemetry The “Telemetry” menu is used to call up and program your equipment, to ensure that your system is constantly For example, if you accidentally initiate an active ser- transmitter and receiver data, and data generated by kept up-to-date. vo test at the receiver, the model could crash and optional telemetry sensors (see Appendix), in real time.
Page 118: Setting & Data View
SETTING & DATA VIEW Telemetry If you wish to change a parameter, press the central SETTING & DATA VIEW button of the right-hand four-way button to highlight The menus grouped together under the overall heading TELEMETRY the parameter (black background)). Change the value “Telemetry”...
Page 119 When operating a model this value should not fall below which the radio control system went into Fail-Safe mode. L.R-VOLT Lowest receiver operating voltage -90 dBm; if it does, reduce the distance between the since the last power-on, in Volt Operating voltage (R-VOLT) pilot and the model.
Page 120 RX SERVO desired channel (e. g. 01). The following parameters TRAVEL–/+ (servo travel –/+) always refer to the channel which you set at this This option can be used to place a limit on servo travel RX SERVO point: (control surface travel) for the servo connected to the OUTPUT CH: 01 REVERSE : OFF...
Page 121 if you are very lucky, the model aircraft will ﬂ y straight ing a different control channel in the INPUT CH line to MODE Fail-Safe mode HOLD ahead for an indeﬁ nite period and then “land” some- the receiver servo socket selected in the OUTPUT CH FAIL SAFE where or other without causing major damage.
Page 122 If interference occurs, the corresponding servo SAFE”: RX FAIL SAFE OUTPUT CH: 01 moves to the position displayed in the “POSITION” The servo immediately runs to the Fail-Safe position pre- INPUT CH: 01 line for the duration of the interference, after the “de- viously set in the “Position”...
Page 123 RX FAIL SAFE RX FAIL SAFE RX WING Tail type NORMAL, V-TAIL OUTPUT CH: 06 OUTPUT CH: 04 MIXER ELEVON INPUT CH: 04 INPUT CH: 01 (aileron / elevator MODE : OFF MODE : FAI-SAFE F.S.Pos. : 1670μsec F.S.Pos. : 1500μsec mixer for deltas DELAY : 0.75sec...
Page 124 determined separately for each direction by the values OUTPUT CH 3: right elevon 3 (elevator) is already split over control channels 3 + entered in these two lines. 6, and control function 2 (aileron) is split over control If you ﬁ nd that the servos rotate in the wrong direc- channels 2 + 5 for the left and right ailerons.
Page 125 The servo follows the stick movement with a linear Now select START with one of the arrow buttons of the ALARM Alarm limit for 50 … 80 °C response. right-hand four-way button: TEMP+ excessive receiver Default setting: C: EXPO = +100% and DUAL RATE = 70% RX SERVO TEST temperature 70 °C...
Page 126: Satellite Operation With Two Receivers
ALARM VOLT (low receiver voltage warning) temperature range under all ﬂ ight conditions (ideally • SUMO (Sum signal OUT) between -10 and +50°C). ALARM VOLT monitors the receiver voltage. The thresh- A HoTT receiver conﬁ gured as SUMO constant- old can be set to any value within the range 3.0 to 6.0 ly generates what is known as a sum signal from the CH OUTPUT TYPE Volt.
Page 127 SUMO if at least one channel at the SUMI is pro- power supply using its own power lead. If high cur- grammed to Fail-Safe. rents can be expected, duplicated power connections are recommended. However, if each of the two re- If the receiver programmed as the satellite (SUMO) ceivers is to be powered by its own battery, then it is suffers signal reception failure, the servos connected...
Page 128: Simple Data View
SIMPLE DATA VIEW SIMPLE DATA VIEW RX + GENERAL MODUL Value Explanation Select the desired menu line using the arrow buttons CELL V RX-S QUA Signal quality in % of the left or right-hand four-way button … 1:0.00 RX-S ST Signal strength in % BAT1 E FUEL F...
Page 129 The meanings are as follows: on this module please see the Appendix, or refer to the RX + VARIO product on the Internet at www.graupner.de. Value Explanation m/1s RXSQ Depending on the types of sensor ﬁ tted to the module, BAT1 / BAT2 Battery 1 / Battery 2 the display constantly shows the following data:...
Page 130: Rf Status View
RF STATUS VIEW RX + GPS RF STATUS VIEW Signal quality in % for the signal Select the desired menu line with the arrow buttons arriving at the receiver RXSQ of the left or right-hand four-way button … Reception performance in dBm +500m TELEMETRY 0m/1s...
Page 131: Voice Trigger
VOICE TRIGGER VOICE TRIGGER VOICE TRIGGER VOICE TRIGGER REPEAT 1SEC REPEAT 1SEC First select the desired menu line using the arrow but- TRIG ––– TRIG tons of the left or right-hand four-way button … VARIO ––– VARIO TRANSFER TRANSFER TELEMETRY RECEIVER RECEIVER SETTING &...
Page 132 desired line. VOLT: TEMP: MODELTIME: STRENGTH: Note: BATTERYTIME: VOLT: STOPWATCH: LOWVOLT: The voice output you select here is completely inde- RUNTIME: pendent of the “VARIO” outputs. TIME: RECEIVER SENSOR Select the desired menu line with the arrow buttons This line only appears if you have already activated one of the left or right-hand four-way button …...
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Page 134: Trainer Mode
Trainer Mode Connecting two transmitters for trainer mode operations using a Trainer lead Use the arrow buttons of the left or right-hand four-way Teacher transmitter settings buttons of the left or right-hand four-way button to place button to leaf through to the “Trainer” menu point of the the marker next to “SW”...
Page 135 The mx-12 HoTT Teacher transmitter can be linked to as described in the installation instructions supplied in Elevator / Pitch-axis any suitable Pupil transmitter - even those operating on the set. Information on the Pupil module required can Rudder / Tail rotor the “classic”...
Page 136 Important note regarding three-pole barrel connec- selection tors: • Pupil transmitter not set to PPM (10, 18, 24) mode. If you are using a Trainer lead with three-pole barrel Further possible errors: connectors, on no account connect one of the ends •...
Page 137: Wiring Diagrams
Trainer mode operations with the mx-12 HoTT transmitter Due to the constant expansion of our range of products please visit the Internet at www.graupner.de for the latest information. mx-12 HoTT Pupil transmitter mx-12 HoTT Teacher transmitter mitter Trainer lead, Trainer lead, Trainer lead, Trainer lead, Order No.
Page 138: Wireless Hott System
Wireless HoTT system Two HoTT transmitters can also be combined by wire- TRAINER/Pupil ser vo set. contr set. less means to form a Trainer system as an alternative to D/R expo phase trim the “classic” system using a Trainer lead, as described –P wing mixer free mixer...
Page 139 2FL” setting in the “Basic settings” menu), or two eleva- … and immediately afterwards that of the Teacher TRAINER/Teach tor servos connected to 3 and 6 (“2Sv EL” setting in the transmitter: “Basic settings” menu). TRAINER/Teach You still have to assign a Trainer transfer switch on the 1 2 3 4 5 6 right of the screen so that you can actually transfer con- BIND:...
Page 140 Trainer mode operations ing signals. At the same time “RFC-” ﬂ ashes in the basic TRAINER display, and the following warning is displayed: … it is no problem for the Teacher and Pupil to stand Wireless Link a little way apart. However, you should never exceed a distance of 50 m (this is known as the call range), and student no other persons should stand between the Teacher and...
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Page 142: Info Display
Info Display Date, time, transmitter ID and memory card Use the arrow buttons of the left or right-hand four-way button, and conclude your input with a further press of SD card button to leaf through to the “info disp” menu point of the the central key.
Page 143 RFID ABCDEF12 fir mware ver. 1.11 SD-CARD 2048MB available 1234MB As already mentioned, it may take a certain amount of time for the available memory to be displayed after you switch the transmitter on, depending on the total capac- ity of the installed memory card. Program description: Info display 33112_mx12_HoTT_2_GB.indd Abs43:143 33112_mx12_HoTT_2_GB.indd Abs43:143...
Page 144: Introduction
mx-12 HoTT programming techniques Preparation, using a ﬁ xed-wing model aircraft as an example Programming model data into an mx-12 HoTT … servos and for ﬁ ne adjustment, and not to compensate braking effect of the crow system is provided primarily for poor-quality construction and defective installation by the down-movement of the ﬂ...
Page 145 er of the model’s settings. As your piloting skills improve back”), because the program’s default setting is “none” of the throttle servo. and you gain experience, it is very likely that you will (i. e. no motor) when you ﬁ rst set up a model memory. In addition to these basic matters you will certainly need feel the need to try out reﬁ...
Page 146: First Steps
First steps in programming a new model Example: non-powered ﬁ xed-wing model aircraft When programming a new model you should start by is not possible to interrupt the process, i. e. you must to this line: activating the … choose one or other model type. Even if you switch In this line you trigger the bind process between model off the transmitter at this point, you cannot avoid this memory and receiver, as described in detail on pages...
Page 147 the “Wing mixers” menu the mixers “Brake NN*” programming example. Free or flap servo or left flap servo and all mixers “from” and “to” ﬂ aps are activated. In the next two lines you select the basic arrangement Receiver power supply The warning message “Throttle too high”...
Page 148 “Servo settings” menu (page 72) on to the … eliminated by setting differential aileron travel. A value between 20% and 40% is usually a good starting point, “Fixed-wing mixers” menu (pages 88 … 93) 100% 100% but the “perfect” setting nearly always has to be estab- 100% 100% lished by practical testing.
Page 149 airbrake stick. The purpose of this is to increase the on the ground. Remember that a serious programming mod name down-going aileron travel on the landing approach, with error may damage more than just the model. If you are stick mode the aim of improving aileron response.
Page 150: Including An Electric Power System
Including an electric power system when programming a model and ﬂ ap servos in your model. ously pressing the buttons of the left-hand four- way button: In the “OFF” position of the rotary control Connect your speed controller to the next vacant input, CTRL 7 the control channel you have selected - in this and assign one of the rotary proportional controls CTRL example channel “6”...
Page 151 Example 3 use the “Servo travel” column in the … free +100% +100% Using one of the three-position switches SW 4/5 or “Servo settings” menu (page 72). +100% +100% 100% 100% This variant implements a three-stage solution for 100% 100% switching an electric motor on and off, and also results 100% 100% tr v...
Page 152: E-Motor And Up-Aileron Using Ch1 Stick
Controlling the electric motor and up-aileron braking system using the Ch 1 stick Up-aileron deﬂ ection as landing aid Example 4 sion described here is that you would select “none/inv” “Servo settings” menu (page 72) in the “Motor at Ch 1” line of the “Basic settings” menu Butterﬂ...
Page 153 Once you are conﬁ dent that the direction of the Ch 1 MIX1 –100 % stick is “correct” as far as the motor is concerned, the next step is to ensure that you can switch its effect on tr v –100% –100% the motor on and off, so that you can also control the offs...
Page 154 d i f f a i l e . +33% ––– ai l rudd +55% ––– brak elev –5% ––– brak aile +44% elev aile ––– Note: The settings shown here are just examples, and must not be adopted under any circumstances without careful checking.
Page 155: Operating Timers
Operating the timers using the Ch 1 stick or a switch SW 1, 3 … 7 If, following on from the model programming described when you move the stick past the switching point in the With the stopwatch halted, press the central but- on the preceding pages, you have decided on Examp- direction of full-throttle, and that the stopwatch alone...
Page 156: Use Of Fl Ight Phases
Using ﬂ ight phases Within any of the ten model memories you can program three-position switches SW 4/5 or 6/7, located at front the same. up to three different ﬂ ight phases (states of ﬂ ight), each left and right on the transmitter. To change these settings, call up the …...
Page 157: Servos Running In Parallel
Programming example: servos running in parallel In some cases a second servo is required to run in Two rudder servos second rudder control channel” - in our case “6” - with parallel with an existing servo; for example, if a second suitable servo travel settings.
Page 158: Deltas And Fl Ying Wings
Programming example: Delta / ﬂ ying wing On page 144, where the section on ﬁ xed-wing model “Basic settings” menu (pages 56 … 62) Free or auxiliary function programming starts, you will ﬁ nd general notes regard- … and select the following options in each line: Receiver power supply ing the installation and set-up of the RC system in a Free or telemetry sensor or auxiliary function...
Page 159 menu are disabled. “Fixed-wing mixers” menu (pages 88 … 93) Programming a model delta using the “normal” tail • “Idle forward” or “Idle rear” setting d i f f a i l e . ––– Alternatively, if you select the “normal” tail type in the The Ch 1 trim operates either ai l rudd...
Page 160 “normal” four-ﬂ ap wing (two ailerons and two ﬂ aps), and “Free mixers” menu (pages 107 … 111) a similar fashion. These models also feature inboard therefore has all the options associated with this wing and outboard control surfaces: the former forward of type.
Page 161 with suitable travel settings. The offset for both mixers should be +100%, as the Ch 1 stick is usually at the forward end-point when the airbrakes are retracted, and the winglet rudders are only required to deﬂ ect outwards proportionally when the brakes are extended. For your notes 33112_mx12_HoTT_2_GB.indd Abs11:161 33112_mx12_HoTT_2_GB.indd Abs11:161...
Page 162: F3A Models
Programming example: F3A model aircraft F3A models belong to the category of powered ﬁ xed- ﬁ xed-wing models we have already described. Programming wing model aircraft designed for competition ﬂ ying. They The basic programming of the transmitter has already The auxiliary function “Retracts”...
Page 163 judges will invariably notice any lack of smoothness and A little down-elevator must usually be mixed in to ensure stick mode dock a few points, so it is advisable to set exponential that the aeroplane does not climb when the ailerons / motor at C1 idle re.
Page 164 This completes the basic set-up for a typical F3A model. mixer acting upon the elevator: Rolling (movement around the longitudinal axis) at idle a) Correction around the lateral axis (elevator) Correcting model-speciﬁ c errors When you reduce the throttle setting, the model may MIX “rd el”...
Page 165 “FAIL-SAFE settings” We strongly recommend that you make use of the safety potential of this option by at least setting the throttle position (glow-powered models) to idle, or the electric motor to stop, if a fail-safe event should be triggered. This simple precaution ensures that the model is much less likely to create havoc and cause property dam- age or personal injury.
Page 166: Model Helicopters
Programming example: model helicopter In this programming example we assume that you We have deliberately chosen this simple programming Sel model type have already read and understood the descriptions of project in order to demonstrate that it is possible to set the individual menus, and are by now familiar with the up a helicopter which ﬂ...
Page 167 “Basic settings” menu (pages 64 … 71) … by selecting the characters available on the second stick mode page of the “mod name” line: This is accomplished by moving to the “rx bind” line: swashplate 3sv(2rol) cut off –100% +150% 1 timer 0:00 –––...
Page 168 settings” menu. “Transmitter control settings” menu (page 76) Now use the arrow button of the left or right-hand four-way button to move to the “Travel” column, and Note: free +100% +100% increase the value in the highlighted ﬁ eld from 100% to Please note one important difference in later Graupner free +100% +100%...
Page 169 left or right-hand four-way button, pressing the central “Heli mixers” menu (pages 94 … 105). hover. All known helicopters will ﬂ y at this setting. button of the right-hand four-way button, and then Now push the collective pitch stick fully forward to the ptch moving the two-position switch (SW 3) to the “ON”...
Page 170 model when practising “autos” at a later (!) date. Simply switch “Auto-rotation” off, and move back to the thro ﬁ rst menu list. Once you have set up the collective pitch curve, oper- ate the auto-rotation switch again, then brieﬂ y press the Call up the set-up page of the “Ch1 tail rotor”...
Page 171 rotation always has absolute precedence over any ptch ctrl 8 +50% +50% other phases. This simply means: if you operate the thro free +100% +100% auto-rotation switch, you immediately move to the auto- tail ctrl 7 +100% +100% rotation phase from either of the other two ﬂ ight phases gyro (“normal”...
Page 172 automatically when you move the throttle limit slider towards full-throttle, and stops again when you move the limiter back to the idle range. Suggested reﬁ nement: speed governor At some time you may wish to install a speed governor (regulator) in your helicopter, e. g. the mc-Heli-Control, to try ﬂ...
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Page 174: Appendix
Appendix PRX (Power for Receiver) Graupner HoTT GPS / Vario module Graupner HoTT Vario module Order No. 4136 Order No. 33600 Order No. 33601 A highly developed stabilised receiver power supply with intelligent Vario with altitude signals and ﬁ ve different tones for climb and Vario with altitude signals and ﬁ...
Page 175 Graupner HoTT General Engine Module Graupner HoTT General Air Module Graupner HoTT Electric Air-Module Order No. 33610 Order No. 33611 Order No. 33620 General sensor for Graupner HoTT receivers and models with internal- General sensor for Graupner HoTT receivers and models with internal- General sensor for Graupner HoTT receivers and electric-powered combustion or electric power system: combustion or electric power system:...
Page 176 Graupner HoTT RPM magnet sensor Graupner HoTT Smart-Box Optional speech output module for Graupner mx-12 HoTT Order No. 33616 Order No. 33700 Order No. 33001.71 Graupner HoTT RPM optical sensor A vast range of different functions combined in a single device: that’s This optional module forms the output device for the transmitter’s Order No.
Page 177: Conformity Declaration
FCC Information Graupner mx-12 HoTT #33112 • Connect the equipment into an outlet on a circuit dif- ferent from that to which the receiver is connected. FCC ID:ZKZ-MX-12 FCC ID: ZGZ-mx-12 • Consult the dealer or an experienced radio/TV tech- FCC Label Compliance Statement nician for help.