GRAUPNER 16005800 User Manual
Bedienungsanleitung
Operating Instructions
Notice d’utilisation
33583 Empfänger GR-24 PRO 3xG+3A+3M+Vario
FRANÇAIS page 34ENGLISH page 18DEUTSCH Seite 2
INHALTSVERZEICHNIS:
1. Hinweise ..................................................................................................................... 02
2. Funktionen .................................................................................................................04
2.1. Binding ......................................................................................................................... 04
2.1.1Binding mehrerer Empfänger ......................................................................................04
2.2. Fail-Safe Funktion ........................................................................................................ 04
2.3 Reichweitentest............................................................................................05
2.4 Einbau ins Modell (Fläche).............................................................................................05
2.5 Einbau ins Modell (Heli).................................................................................................05
3. Empfänger .................................................................................................................. 06
3.1. Anschluss ....................................................................................................................06
3.2. Empfänger Einstellmenü .............................................................................................. 07
3.3. Freie Mischer ............................................................................................................... 08
3.4 Zuordnen der Kreiselachsen.............................................................................................10
4. Programmierung der Gyro Einstellungen ............................................................... 12
4.1. Programmierung der PID Regelung ............................................................................ 12
4.2. Faktor programmieren ................................................................................................. 13
4.2.1Programmieren bei Sendern mit Proportionalgebern ...................................................13
4.2.2Programmieren ohne Proportionalgeber........................................................................14
4.3 Initialisierung des Kreisels.............................................................................................14
5. Firmwareupdate ......................................................................................................... 16
6. Konformitätserklärung / Garantie /Herstellererklärung / Entsorgungshinweise ........... 50
Manual V1.0
Revision: Januar 2013
GRAUPNER/SJ GmbH – Postfach 1242 – 73230 Kirchheim/Teck – www.graupner.de
Operating Instructions
33583 Receiver GR-24PRO 3xG+3A+3M+Vario
1. Notes......................................................................................................................19
2. Functions...............................................................................................................21
2.1. Binding.........................................................................................................21
2.1.1 Binding multiple receivers...................................................................................21
2.2. Fail-Safe function...............................................................................................21
2.3 Range-checking...........................................................................................22
2.4. Installation in the model (airplane).....................................................................22
2.5. Installation in the model (heli)..........................................................................22
3. Receiver..................................................................................................................23
3.1. Connections..................................................................................................24
3.2. Receiver set-up menu........................................................................................25
3.3. Free mixers.......................................................................................................25
3.4 Assigning the gyro axes......................................................................................27
4. Programming the gyro settings............................................................................29
4.1. Programming PID correction..............................................................................29
4.2. Programming the factors....................................................................................30
4.2.1 Programming, transmitter with proportional controls............................................30
4.2.2 Programming, transmitter without proportional controls.......................................31
4.3 Initialising the gyro............................................................................................31
5. Firmware update.............................................................................................33
6. Conformity declaration / Guarantee / Manufacturer’s declaration / Disposal..50
Manual Receiver GR-24PRO 3xG+3A+3M+Vario Graupner HoTT 2. 4
18
MANY THANKS
for deciding to purchase the Graupner/SJ HoTT 2.4 system. Please read right through these operating
instructions before you attempt to install and operate the Graupner HoTT 2.4 system.
• The receiver stabilises the model aircraft in difcult, windy conditions, acting on a maximum of
three axes
• Proportional gyro suppression for natural ying characteristics
• Excellent stabilisation for smooth, accurate manoeuvres
• The triple-axis gyro endows even very demanding aerobatic models with docile ying
characteristics, and greatly simplies aerobatics
• Aerobatic manoeuvres can be own much more accurately
• Simple gyro assignment procedure
• Facility to adjust parameters using HoTT telemetry
• Altitude sensor for vario and altimeter function
1. APPROVED USAGE
The receiver is intended exclusively for use in radio-controlled models. Any other usage is prohibited,
and may result in damage to the receiver or model, and serious personal injury. We grant no guarantee
and accept no liability for any type of use outside the stipulated range.
Not suitable for children under fourteen years. This receiver is not a toy!
The receiver is also equipped with a telemetry function which is only available in combination with a
Graupner/SJ HoTT 2.4 system. If you do not own a Graupner/SJ HoTT 2.4 system, the receiver will not
work.
Please start by reading through the whole instructions before you attempt to install and operate the
receiver.
These operating instructions are an integral part of the product. They contain important notes on
operating and handling the receiver. For this reason please store the operating instructions in a safe
place, and pass them on to the new owner if you ever dispose of the product. Failure to observe the
operating instructions and safety notes invalidates the guarantee.
Here at Graupner we are constantly working on the further development of all our products; for this
reason we are obliged to reserve the right to introduce changes to the set contents in form, technology
and features.
Please understand that we will not countenance claims resulting from information and illustrations in
these operating instructions.
Please store the operating instructions in a safe place for future reference!
1.1 SAFETY NOTES
KEY TO THE SYMBOLS
Caution!
This symbol alerts you to prohibited actions which must be observed at all
times. Any failure to observe the prohibited action indicated in this way may
prevent the equipment working, and endanger the safety of the operator.
Caution!
This symbol alerts you to information which must be observed at all times.
Any failure to observe the information indicated in this way may prevent the
equipment working properly, and endanger the safety of the operator.
This symbol indicates information which should always be observed in order to
ensure that the equipment operates reliably.
Manual Receiver GR-24PRO 3xG+3A+3M+Vario Graupner HoTT 2. 4 19
SAFETY NOTES
Warning!
The receiver must never be operated under the inuence of medication, alcohol, drugs etc.
Caution!
Any deviation from the instructions may have an adverse effect on the function and
operational security of the receiver, and must be avoided under all circumstances.
Caution!
The operator bears full responsibility for using the receiver. The only way to guard against
personal injury and property damage is to handle the equipment carefully and use it
exactly as recommended.
Caution!
Not suitable for children under fourteen years.
Caution!
Protect the receiver from dust, soiling, damp and foreign bodies. Never subject the receiver
to excessive vibration, heat or cold.
Caution!
During the programming process you must bear in mind that an internal combustion
engine or electric motor could unexpectedly burst into life at any time.
Caution!
Avoid subjecting the receiver to shocks and pressure. Check the receiver regularly for
damage to the case and cables. Do not re-use a receiver which is damaged or has become
wet, even after it has dried out again.
Caution!
When deploying the cables ensure that they are not under tension, not tightly bent (kinked)
or fractured. Avoid sharp edges which could damage cable insulation.
Caution!
Ensure that all plug-in connections are rmly seated. Do not pull on the wires when
disconnecting plugs and sockets.
Caution!
The receiver must not make physical contact with the model’s fuselage, hull or chassis, as
this would allow motor vibration and landing shocks to be transferred directly to it.
Caution!
It is not permissible to carry out modications of any kind to the receiver. Any changes
invalidate product approval, and you forfeit any insurance protection.
Caution!
Ensure that the equipment is working correctly and at full range before every ight. Check
the state of the batteries at regular intervals.
Note!
Ensure that all your HoTT components are loaded with the current version of the software
at all times.
Note!
Safety is no accident, and radio-controlled models are not playthings!
20 Manual Receiver GR-24PRO 3xG+3A+3M+Vario Graupner HoTT 2. 4
1.2 GENERAL NOTES
• The receiver’s integral gyros are very fast, high-resolution components. This means that you
should always use high-speed digital servos wherever possible, so that the gyro’s corrective
signals are converted directly and accurately into servo movement; this helps to prevent the
model oscillating.
• Keep all servo extension leads as short as possible.
• When switching on or adjusting the radio control system, it is essential to keep the transmitter
aerial at least 15 cm from the receiver aerial(s). If the transmitter aerial is too close to the receiver
aerials, the receiver will be swamped and the red LED on the receiver will light up. The transmitter
responds with a ashing red LED and repeated beeps at approximately one-second intervals, i.e.
the radio control system reverts to fail-safe mode. If this should happen, increase the distance
until the audible warning ceases, and the blue transmitter LED lights up constantly once more.
The red LED on the receiver should now be off.
2. FUNCTIONS
2.1. Binding
The Graupner/SJ HoTT 2.4 receiver must be “bound” to “its” Graupner/SJ HoTT 2.4 RF module
(transmitter) before a radio link can be created between them; this process is known as “binding”.
Binding is only necessary once for each combination of receiver / RF module, so the binding procedure
described below only needs to be repeated if you add more receivers. However, binding can be repeated
at any time if you wish; for example, if you switch transmitters. This is the procedure in detail:
• Binding is only possible if the receiver has not been linked with a bound transmitter since being
switched on (red LED lights); press the SET button to set the receiver to BIND mode.
• If you have already bound a receiver to the transmitter, and wish to bind the receiver to a new
model memory, this is the procedure:
• Switch the transmitter’s RF section off in the “Basic model settings” menu.
• Switch the receiver on, and press the SET button to set it to Bind mode.
• Initiate binding in the transmitter’s “Basic model settings” menu.
• If the receiver’s red LED moved within about 10 seconds to green, the Binding Operation was
completed successfully.
• Your transmitter / receiver combination is now ready for use.
• However, if the red LED continues to glow, then the binding process has failed. If this should
happen, repeat the whole procedure.
2.1.1. Binding multiple receivers per model
If necessary it is also possible to bind more than one receiver to a particular model. First bind each
receiver individually as described earlier.
When the system is actually in use, the receiver which was last bound acts as the Master unit, and any
telemetry sensors installed in the model must be connected to this receiver, as only the Master receiver
transmits the data to the ground using the downlink channel. The second - and any other - receivers
operate in Slave mode, in parallel with the Master receiver, with the downlink channel switched off.
The channel mapping function of HoTT telemetry also allows the control functions to be divided up
amongst multiple receivers, or alternatively the same control function to be assigned to multiple receiver
outputs. For example, this is useful if you wish to actuate each aileron with two servos instead of just
one.
2.2. Fail-Safe function
In the receiver’s default state, all connected servos remain in their last valid position (“Hold” mode)
if a fail-safe situation should arise. In fail-safe mode the red LED on the receiver lights up, and the
transmitter generates an audible alert by beeping at a rate of around one per second.
You can exploit the safety potential of this option by at least setting the throttle position (for internal-
combustion powered models) to Idle, or the motor function (electric-powered models) to “Stop”, or “Hold”
for a model helicopter, if a fail-safe event should occur. These settings ensure that the model is less
likely to y out of control if interference should occur, thereby helping to avoid property damage or even
personal injury.
Read the operating instructions supplied with your radio control system for more details.
The gyro system remains active in a fail-safe situation.
Manual Receiver GR-24PRO 3xG+3A+3M+Vario Graupner HoTT 2. 4 21
2.3 Range-checking
The range of your Graupner/SJ HoTT 2.4 system can be checked as described in the following
instructions. We recommend that you ask a friend to help you with the procedure.
Ideally the receiver should already be bound to the transmitter. Install it in the model in its nal position.
• Switch the radio control system on, and wait until the red LED on the receiver goes out. The servo
movements can now be observed.
• Place the model on a at surface (pavement, close-mown grass, earth), and ensure that the
receiver aerials are at least 15 cm above the ground. It may be necessary to pack up the model
to achieve this for the period of the range-check.
• Hold the transmitter away from your body at hip-level. Don’t point the transmitter aerial straight at
the model; instead rotate or angle the aerial tip in such a way that it is vertical when you operate
the transmitter controls.
• Select range-check mode, as described in the transmitter instructions.
• Walk away from the model, moving the transmitter sticks. If you detect an interruption in the radio
link at any time within a distance of about 50 m, see if you can reproduce the problem.
• If your model is tted with a motor or engine, switch it on or start it, so that you can check effective
range when potential interference is present.
• Walk further away from the model to the point where full control is no longer possible.
• At this point you should manually switch off range-check mode.
The model should now respond to the controls again. If this is not 100% the case, do not use the system.
Contact the Graupner/SJ Service Centre in your locality and ask their advice.
We recommend that you carry out a range-check before every ight, simulating all the servo movements
which occur in ight. To guarantee reliable model operation, radio range must always be at least 50 m
on the ground.
2.4 INSTALLATION IN THE MODEL (AIRPLANE)
The gyro receiver must be installed straight and at right angles to aircraft longitudinal axis,
so that the rotors can work as intended, because of the accelerometer in addition also
horizontal to the longitudinal axis.
OK
OK
22 Manual Receiver GR-24PRO 3xG+3A+3M+Vario Graupner HoTT 2. 4
2.5 INSTALLATION IN THE MODEL (HELI)
The receiver has to be aligned strictly at right angles and parallel to the oor on the receiver platform
on the helicopter.
OK
OK
3. RECEIVER
3.1 Connections
Connect the servos to the row of sockets on one end of the receiver. The connectors are polarised: note
the small chamfers on one side. Never use force - the connectors should engage easily. The polarity is
also printed on the receiver; the negative wire (-) is brown, the positive (+) red and the signal orange.
The servo sockets of Graupner/SJ HoTT 2.4 receivers are numbered sequentially.
The socket for channel 8 can also be programmed to deliver a (digital) sum signal (see section 3.2:
Receiver set-up).
OK
Power supply
The receiver does not feature specic sockets for connecting the battery. We recommend that you
connect the power supply to the socket(s) close to the servos already connected to the receiver. If you
wish to connect multiple separate batteries, the batteries must be of the same nominal voltage and
capacity. Never connect batteries of different type, or packs of greatly differing states of charge, as this
can cause effects similar to a short-circuit. If you encounter this problem, we recommend the use of a
voltage stabiliser unit (e.g. PRX-5A receiver power supply, Order No. 4136) between the batteries and
the receiver.
Telemetry
The optional telemetry sensors are connected to the socket marked “T” (Telemetry). In addition, the
update is performed on this socket (see point 5).
Manual Receiver GR-24PRO 3xG+3A+3M+Vario Graupner HoTT 2. 4 23
PROGRAMMING THE GENERAL RECEIVER SETTINGS:
The receiver can be programmed using a suitable HoTT transmitter or the SMART-BOX (Order No.
33700).
RECEIVER 1.0 < >
>Type of Model:
ALARM VOLT:
ALARM TEMP:
max altitude:
>Period:
Plane
3.8V
70°C
125m
10ms
>SUMD at K8:
LANGUAGE:
Display Explanation Settings
RECEIVER 1.0 1.0 indicates the version of the receiver’s rmware -
Type of Model Selection of modeltype Plane, Heli
ALARM VOLT. Alarm threshold for the receiver’s low voltage
ALARM TEMP. Receiver overheating warning 50 - 80° C
Max. altitude maximum altitude 0 - 2500 m
PERIOD Cycle time (frame rate) in ms 10 / 20 ms
SUMD at CH8 Digital sum signal at channel 8 Yes / No
LANGUAGE Select menu language German, English, French,
Model type selection (Type of model): here you can choose the model type.
By selecting “Plane” you will be able to access the gyrosettings for surface models, as described in
chapter 4.
The selection “Heli” will be made available through a future software update. It will enable a receiver-
integrated ybarless system, which can be adjusted inside the transmitters telemetry settings.
english
warning
3.2 RECEIVER SET-UP MENU
The receiver set-up menu appears in the “Telemetry” menu
under SETTINGS / DISPLAYS; alternatively - if you are using a
SMART-BOX - under SETTING & DATAVIEW. The method of
accessing this menu is described in the operating instructions
supplied with your transmitter or the Smart-Box.
No
2.5 - 24.0 V
Default setting: 3.8 V
Default setting: +70° C
in 25 m increments
Italian or Spanish
Low-voltage warning (ALARM VOLT): if the receiver voltage falls below the set value, a low-voltage
warning is generated by the transmitter’s RF module in the form of the “general alarm tone”: a regular
beeping at a rate of about one per second; alternatively the speech output message “Receiver voltage”.
Temperature warning (ALARM TEMP): if the receiver temperature exceeds the set temperature
threshold, a warning is generated by the transmitter’s RF module in the form of the “general alarm tone”:
a regular beeping at a rate of about one per second; alternatively the speech output message “Receiver
temperature”.
Maximum altitude (Max. altitude): at this point you can enter a maximum altitude, at which an alarm
is triggered, either via the transmitter’s RF module in the form of the “general alarm tone”: a regular
beeping at a rate of about one per second; alternatively the speech output message “Height”. Note:
the model’s actual height is adopted as zero when the receiver is switched on; the indicated height is
therefore the altitude relative to the launch point.
24
Manual Receiver GR-24PRO 3xG+3A+3M+Vario Graupner HoTT 2. 4
Cycle time (PERIOD): if your system is used exclusively with digital servos, you can set a cycle time
(frame rate) of 10 ms at this point. If your system includes some or all analogue servos, you should
always select 20 ms, as many analogue servos cannot process the higher frame rate, and may respond
by “jittering” or “growling”.
HoTT sum signal (SUMD): if you activate the digital sum signal at channel 8, a sum signal containing
eight channels is present at this socket, instead of a servo signal. The HoTT receiver congured as
SUMD constantly generates a digital sum signal from 8 control signals from the transmitter and makes
this signal available at the appropriate servo socket, which is receiver-specic. At the time these
instructions were revised, this type of signal is used by several of the latest electronic developments in
the area of ybarless systems, heavy-duty airborne power supplies, etc.
WARNING: if you wish to use this facility, it is essential to observe the set-up information
supplied with the devices connected to the receiver, otherwise there is a risk that your model
may be uncontrollable!
3.3 FREE MIXERS
RX FREE MIXER < >
>MIXER:
MASTER CH:
SLAVE CH:
>TRIM:
>TRAVEL-:
TRAVEL+:
Screen Display Key Settings
MIXER Mixer select 1, 2....4
FROM CHANNEL Signal source / source channel 0,1,2,...6
TO CHANNEL Target channel 0,1,2,...6
TRIM Trim position in % -15 - + 15%
TRAVEL- Travel limit at % Servo travel -150 bis +150%
TRAVEL+ Travel limit at % Servo travel -150 bis +150%
MIXER: up to four mixers can be programmed simultaneously. You can switch between Mixer 1, Mixer
2, … and mixer 4 in the “Mixer” line.
The following settings only affect the mixer selected in this line.
FROM CHANNEL: the signal present at the signal source (or source channel) is mixed in to the target
channel (TO CHANNEL) to an extent which can be set by the user. The method of setting up the values
is analogous to the “Free mixers” menu in HoTT transmitters.
1
1
6
+0%
+100%
+100%
Important note: If you wish to use the gyros, you
must always set the tail type to ‘normal’ in the trans-
mitter’s model type menu. If your model is a delta, features a V-tail, or has two elevator servos, you must use the
receiver mixer - not the transmitter mixer - to control these
control surfaces, since the gyro stabilisation system will
have no effect on these servos otherwise. The four receiver
mixers work ‘downstream’ of the gyros. If you have already
programmed mixer functions in the “Wing mixers” or “Free
mixers” menu of your HoTT transmitter, you must ensure that
those mixers do not overlap with those available in this menu!
TO CHANNEL: part of the source channel signal (FROM CHANNEL) is mixed into the target channel
(TO CHANNEL). The mixer ratio is determined by the percentage values entered in the “TRAVEL-“ and
“TRAVEL+” lines. Select “0” if you do not require the mixer.
Mixer ratio (TRAVEL-/+): in these two lines you can dene the mixer ratio in relation to the source
channel (FROM CHANNEL); the value is set separately for both directions.
Manual Receiver GR-24PRO 3xG+3A+3M+Vario Graupner HoTT 2. 4 25
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