Index Introduction ..................5 Service Centre ...................5 Intended use ..................6 Target group ..................6 Package content ................7 Technical Data ...................7 Symbols explication ................8 Safety notes ..................8 For your safety by handling the transmitter ........9 For your safety by handling the battery .........9 Description of the transmitter ............11 Control elements on the transmitter ...........11 Inside view ..................13...
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Firmware update ................36 Update through memory card ............36 Update through USB port .............37 Problems during firmware update ..........37 SIMPLIFIED DECLARATION OF CONFORMITY ........38 Manufactured by ................38 Notes on environmental protection ..........39 Care and maintenance ..............39 Warranty ..................39 4 / 40 33028_mc28_T1V3_sh_en...
Introduction Thank you very much for purchasing the Graupner mc-28 HoTT transmitter. This manual is composed by two parts. Part 1 is contained in the product’s package content. Part 2, the programming manual, can be found in its last version on www.graupner.de...
Target group The product is not a toy. It is not suitable for children under 14 years. The operation of the mc-28 HoTT transmitter must be performed by experienced modelers. If you do not have sufficient knowledge about dealing with radio-controlled models, please contact an expe- rienced modeler or a model club.
Package content • Transmitter mc-28 HoTT • Transmitter battery • Receiver (optional) • USB Adapter/Interface • USB cable • Micro SD card with adapter • Hand pads • Transmitter belt • Brackets for transmitter belt • Short and long stick-tops •...
Symbols explication Always observe the information indicated by this warning sign. Par- ticularly those which are additionally marked with the CAUTION or WARNING. The signal word WARNING indicates the potential for serious injury, the signal word CAUTION indicates possibility of lighter injuries.
For your safety by handling the transmitter WARNING Also while programming the transmitter, make sure that a con- nected motor cannot accidentally start. Disconnect the fuel sup- ply or drive battery beforehand. CAUTION Risk of fire! Avoid every kind of short-circuit in all sockets of the transmitter! Use only the suitable connectors.
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• Always charge the battery fully. • The maximum charging current permitted may not be exceeded. • Never leave the charger unattended when it is connected to the power supply. • Batteries may only be charged in rooms fitted with smoke detec- tor.
Description of the transmitter Control elements on the transmitter MC-28 MC-28 MC-28 MC-28 Connection sockets (protected by a cover) Control sticks: 2 sticks for a total of 4 independent control functions Speaker Antenna (integrated in the case) ON/OFF switch LED indicators (battery, RF radiation, warning signals, charge indicator)
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Five housing screws and six screws for the hand pads SW16/PB18 SW17/PB19 Connection socket for transmitter battery (pay attention to the correct polarity) 12 / 40 33028_mc28_T1V3_sh_en...
Interfaces Provided connection Left provided connections 1. DSC socket On the left side is located the DSC socket. This socket allows the trainer/pupil function and the use of flight simulators. For more information on the DSC socket and the trainer/pupil function see the section "DSC socket".
This type of connection should therefore only be used if you protect yourself from electrostatic discharge while operating the simulator by wearing a commercially available grounding armband. Graupner therefore strongly recommends only using wireless simulators. Perform any necessary adaptations in the menu.
In the "Transmitter setting" submenu, you can set one of the follow- ing modes in the "DSC output" line depending on the number of functions to be transmitted: PPM10, PPM16, PPM18 and PPM24. Default setting: PPM10. Memory cards Compatible memory cards •...
In the folder "Models" are saved the exported model memories. The data can be evaluated on a compatible computer using the pro- grams found on the downloads page for the transmitter under www.graupner.de. Display and touchpad Alpina 30 0:00 0 0:00.0...
Symbols in the display Telemetry symbols in the display The active model memory has not yet been bound to a receiver. Not flashing: RF transmitter function switched off. Blinking antenna symbol: Last receiver bound to the active model memory is inactive or out of reach No telemetry signal to receive Signal strength display of the model connection Signal strength display of the connection with pupil transmitter in...
Key pad The keypads of the mc-28 HoTT transmitter are touch-sensitive cap- touch buttons. The buttons are operated by lightly touching them. Keys left of the display • ESC button Pressing the ESC button brings about a stepwise return to func- tion selection or back to the basic display.
Commissioning Hand pads Installing the hand pads The hand pads have to be installed on the sides of the transmitter. Hold the hand pad exactly upon the six holes and fix it with the 6 fix- ing screws. Use the same procedure for the other hand pad. Attention Screw the fixing screws only with the hand pads on the transmitter case.
Opening/closing the transmitter housing The transmitter should be opened only in the following cases: • If a self centering stick has to be converted in non self centering • If a non self centering stick has to be converted in self centering •...
Sticks conversion Neutralization Both control sticks can be set from neutralizing to non-neutralizing. Neutralizing step by step Locate in the left control stick gimbal the screw surrounded by a white circle in the picture. Turn the screw toward the inside of the transmitter until the relevant control stick can move freely from stop to stop, or turn it outward until the control stick resets itself independently.
General commissioning Note As soon as the transmitter is switched on then the throttle position is checked. If the throttle position is not in the motor-off area, then the drive motor may start in an uncontrolled manner. This check is Throttle performed by all the models with the setting "Motor at CH1 front/ back".
Stick mode Modul HoTT bind bind 2. If necessary, switch on the mc-28 HoTT transmitter without RF or Rcv Ch Map set the RF module in the “RF module” line of the “Basic setup RF transmit model” menu to “OFF”.
Adjust control mode By default, the transmitter is supplied with the software control BASIC SETTINGS, MODEL mode 1. Accordingly, each newly created model memory is initial- Mod.name Stick mode ized with the control mode 1. module HoTT bind However, this default value can be adapted to your own habits at any Rcv Ch Map time in the “Stick mode”...
(Copter) MODE 1 (Throttle/Pitch right) MODE 2 (Throttle/Pitch left) Nick Throttle/Pitch Throttle/Pitch Nick Nick Throttle/Pitch Throttle/Pitch Nick MODE 3 (Throttle/Pitch right) MODE 4 (Throttle/Pitch left) Nick Throttle/Pitch Throttle/Pitch Nick Nick Throttle/Pitch Throttle/Pitch Nick (Land and water vehicles) MODE 1 (for/backward right) MODE 2 (for/backward left) forward/backward forward/backward...
Inserting the transmitter battery Connect the battery plug in the transmitter socket. Make sure that the polarity is correct. Pay attention to the respective "+" and "-" symbols near the socket. Red= „+“ Black/brown = „-“ Place the battery into its compartment and close the cover. 2.
Use and menu functions Short-Cuts The following key combinations can be used to directly call up cer- tain menus and options: • CLEAR Brief simultaneous touch of the keys or on the right four way keys will restore the active entry field's changed parameter value back to its default value.
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Select the desired menu point with the selection keys and con- firm with the SET key. The description of the single menu point is available in the pro- gramming manual (Manual part 2) on www.graupner.de. Hidden menu options In some menus specific setting options are available but hidden.
On the included micro SD card are already available the following languages: German, English, French, Dutch, Italian and Spanish, Czech and Russian. The most actual language packets are available on www.graupner.de. Language change Language change step by step Insert the included memory card in its slot as described in the "Mem- ory card"...
Move with a short pressure on the SET key to the selection page of FILE LIST the option "FIRMWARE UPDATE". MC-28_1V234_Dutch.bi MC-28_1V234_France. Select the firmware version with the selection keys. MC-28 1V234 German.b MC-28_1V234_English. Confirm by pushing the SET key. MC-28_1V234_Italiano MC-28_1V234_Spain.bi The storing in the transmitter memory will start:...
… if you do not reach the desired values, go to the “Stick Calibra- STICK CALIBRATION tion” line of the “HIDDEN MODE” menu and then press the SET button. ‖ The symbol of the encoder position to be calibrated flashes in the transmitter display in white.
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Depending on the connected modules and sensors, several select- able displays will appear. The description of these displays is con- tained in the manual included in the sensor package. The transmitter recognizes automatically the sensors. You can view SENSOR SELECT the sensors by changing from the main menu to the telemetry menu.
Internet at www.graupner.de on the corresponding product page. • These information can also be found at: www.graupner.de => Service & Support => Update and revision history for Graupner HoTT components.
Update through USB port Download the actual software package from the Internet, and unpack it on your computer. Connect your switched off transmitter with your PC, by using the included USB cable, which is supplied with the package content, plug USB cable directly to the micro USB port of the transmitter and the other end to a free port in your computer.
SIMPLIFIED DECLARATION OF CONFORMITY Graupner/SJ hereby declares that the transmitter 33028 Graupner mc-28 HoTT complies with the directive 2014/53/EU. The full text of the EU Declaration of Conformity is available at the following Internet address: www.graupner.de Manufactured by Graupner Co., Ltd...
Internet at www.graupner.de on the relevant product page. In addition, the company Graupner has no responsibility or liability for any errors or inaccuracies that may appear in construction or operation manuals. No liability can be accepted for printing errors.
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