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The mx-20 HoTT with its 12 control functions can give experienced RC model builders control over virtually any model. The use of Graupner HoTT 2.4 GHz transmission technology safeguards high functional reliability through bidirectional communication between transmitter and receiver supporting integrated telemetry, voice output via headset connector and ultra-fast response times.
The transmitter has 24 model memories. Programming is simplified by a programming technique implemented with capacitive touch buttons. A high-contrast, 8-line blue-illuminated graphic display ensures perfect presentation of all parameter settings and telemetry data. It is possible to store telemetry data and an extension of model memories on a micro SD memory card.
USB connection to read and write the model's memories as well as for firmware upgrades.

What’s in the box

  • Graupner HoTT mx-20 microcomputer telemetry transmitter with built-in NiMH 2000 mAh transmitter battery, Graupner HoTT GR-16 receiver(combo only) and 200mA transmitter charger, µSD-card, update cable


Specifications

Aerial length [mm]: 120
Batteries or accumulators included / suggested: Y
Battery cell type: NiMh
Operating voltage neutral [V]: 3,4 ... 4.8
Width [mm]: 175
Display?: Yes
Flight phase: Yes
Frequency: 2400 ... 2484,5
All-up weight [g]: 770
Height [mm]: 115
HoTT - Technology: Yes
Channels: 12
Overall length [mm]: 190
Micro SD: Yes
Model memory: 24
Range approx. [m]: 4000
Transmitter series: mx
Transmitter type: Hand
Voice output: Yes
Language variant: GB
Control function: 12
Current consumption [mA]: 210
Temperature range [°C]: -15 ... 55
Touch Display: No
USB connection Yes

 

 

 

Features

  • Microcomputer remote control set implemented with the very latest 2.4 GHz Graupner HoTT technology
  • Bidirectional communicationbetween transmitter and receiver
  • Wireless T/P function
  • 6 different languages (German, English, French, Italian, Spanish and Dutch) available via software update. For the availability of a given language, go to the Download area.
  • Storage of telemetry data with date and time
  • Servo cycle times of 10 ms can be selected for digital servos
  • Ultra-fast response times due to direct and reliable transmission of data from the main processor to the 2.4 GHz transceiver. No additional delays due to detours via a module processor.
  • Short antenna, collapsible
  • Operating and programming are similar to the proven concepts implemented in the mx-24
  • A high-contrast, blue-illuminated graphic display ensures perfect control of parameter settings such as model type, model memory, timers and operating voltage.
  • 12 control functions
  • Free assignment of all switches
  • 24 model memories
  • 7 switches/keys , including 2 3-stage-switches, 3 2-stage switches, 2 keys, 3 analogue switches already installed
  • Modes 1 to 4 freely selectable
  • CAP TOUCH operating elements with key lock function to prevent unintentional operation.
  • CAP TOUCH change of display from the main menu to the telemetry main menu via ESC.
  • Numerous telemetry displays, programming functions and evaluation functions are presented directly on the transmitter's screen
  • Voice output can be called up via freely programmable switches
  • Extensive programs for fixed-wing and helicopter models
  • Swashplate limiter
  • "Monitor" switch to check all switches and control switches
  • 12 freely programmable mixers for fixed-wing or helicopter models, each with freely selectable input and output functions, including: 4 curve mixers, 5 point curve technology in 1 % increments, easy to adjust curve values at up to 5 points for throttle, pitch, tail or other non-linear actuations. The processor in the CPU employs an ingenious method of calculating polynomial approximations for truly-rounded, ideal MPC (multi-point curve) mixer curves.
  • 7 flight-phase programs can be individually adapted for each model and given a name. The switchover time is programmable separately.
  • SUPER SERVO menu with a perfect overview of all servo setting data and simple parameter correction for 4 "levels" (direction of rotation, mid-point setting, separate servo travel on both sides and separate travel limiting on both sides for 12 servos with a total of 72 possible settings)
  • SUPER-DUAL-RATE, EXPO and EXPO/DUAL-RATE menu with 36 possible settings for 3 servo functions and 7 flight phases.
  • Highly practical multi-function menu for fixed-wing and helicopter models. Entry of the number of aileron and flap servos automatically programs all necessary mixer functions in the multi-function "Wing mixers" menu. Differential aileron mixer, butterfly mixer, dual-flap mixer, automatic gyro set function and other special functions
  • Helicopter swashplate mixer for 1, 2, 3, or 4-point steering.
  • Fail-safe for 12 servo functions
  • Convenient timers menu. Stopwatch system, alarm timer, countdown timer, laps counter, etc. Two timers and one lap counter/timer can be displayed at the same time.
  • Stopwatch with history: in addition to the lap counter there is a time 1 which captures the ON time and a time 2 which records the ON and OFF times separately.
  • The transmitter's operating time timer is automatically reset to zero by the battery charging process.
  • Flight phase switch assignments: now 6 switches2 with priority function. Every switch combination can be named freely. This makes the number of flight phases independent of the number of flight phase switches.
  • Linearising switchplate servos: electronic compensation for non-linear travel of swashplate rotary servos.
  • Tail type normal, V-tail, Delta/flying-wing and 2 EL Sv 3+8 (which immediately makes 2 coupled elevator servos available without using free mixers or dual mixers)
  • Flap count up to 4 AIL/4 FL: Full support of 8 wing servos, now even without use of free mixers.
  • Flight phase switching delay, can be switched off: the delay time can be switched off for individual channels flight phase by flight phase (e.g. for motor off in electric models or to activate/deactivate helicopter head lock).
  • 16 phase names:.
  • Fixed-wing mixer: New concept for the multi-flap menu to simplify settings of up to 8 wing servos on a flight-phase-specific basis in a comprehensible manner without requiring the use of free mixers.
  • Number of flight phases: (fixed-wing: 7, helicopter: 6 + AR)
  • Phase trim
  • Switchable Snap-Flap mixer EL => FL with a new offset function for easy course corrections and fast turns
  • 3 ring limiters for Voith-Schneider and similar drives
  • Channel sequencer for 3 channels for folding motors and landing gear doors
  • Swapping of servo assignment at receiver output on transmitter side and receiver side

Downloads

 

 

We have only limited space here to tell you all about the fantastic features of the Graupner SJ mx-20 system so why not download the instruction manual where you can browse the full feature set and programming options. Simply click the cover on the left to start your PDF download.

 

 

 

To Purchase

Please insert your quantity and click the add to basket button in the box below.

deal 2

Graupner SJ MX-20 Transmitter Only
33124.77.EN
Graupner SJ MX-20 Transmitter


IMPORTANT:

Please read ordering information at the bottom of this page BEFORE ordering this item.

Thank You

 

 

 

£
Quantity
deal 2

Graupner SJ MX-20 Combo
33124.16.EN
Graupner SJ MX-20 Combo


IMPORTANT:

Please read ordering information at the bottom of this page BEFORE ordering this item.

Thank You

 

 

 

£
Quantity


Non UK customers please ensure this item is compliant with the appropriate regulations in your country.

IMPORTANT - PLEASE READ BEFORE ORDERING GRAUPNER ITEMS

Because Graupner have now moved their distribution base away from the UK to Germany there may be a slight delay in dispatching Graupner Products. Therefore please allow around 3 working days before your order is dispatched.
Servicing is still handled from the UK. Thank you.