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15. Checking the switching function

In addition to driving and steering functions, the GT 2+1 EVO remote control also offers the option of connecting and 

controlling a third servo on the receiver.
If the operating button for channel 3 (also see Figure 2, 

Pos. 14) is pressed on the remote control, the output lever 

of the servo connected to the receiver output 3 runs from 

one end position to the other end position (see Figure 14 

below). 
The function can be used, for example, to control a special 

mechanical function in a model.

 Important!

 

Because the two end positions cannot be set 

electronically, any linkage rods must be ad-

justed so that the servo on channel 3 is not 

mechanically limited in its rotational movement.

As an alternative to a servo, a switching module can also 

be connected to receiver output 3. Thus it is possible, for 

example, to turn the light functions on and off on the model 

by remote control as well.
After you have checked or set the correct driving, steer-

ing and switching function, first switch off the receiver and 

then the transmitter.

The model is now ready for the first test drive.

Figure 14

Summary of Contents for GT2+1 EVO

Page 1: ...Operating Instructions GT2 1 EVO remote control 2 4 GHz Item No 1897778 ...

Page 2: ...lling the receiver 13 12 Installing the servos 14 13 Trimming the controls 15 a Trimming the steering wheel 15 b Setting the driving trim 15 14 Checking the steering and driving functions 16 a Checking and setting the steering function 16 b Checking and setting the driving function 18 15 Checking the switching function 19 16 Fail safe function 20 17 Switching the digital coding 21 18 Pairing funct...

Page 3: ...hird party without the operating instructions Therefore retain these operating instructions for reference All company and product names included herein are trademarks of their respective owners All rights reserved If there are any technical questions please contact International www conrad com contact United Kingdom www conrad electronic co uk contact 2 Explanation of symbols The symbol with an ex...

Page 4: ... model ships The driving and steering functions can be operated remotely independent of each other via the two proportional control channels 1 and 2 In addition the remote control has a third control channel that can be used for switching tasks or additional control functions The ergonomically shaped casing fits comfortably in your hand and thus allows convenient operation of the transmitter and s...

Page 5: ... result in property damage and or personal injury There fore make sure that you are adequately insured for the operation of the model by liability insurance If you already have purchased such a policy contact your provider to check that the remote controlled model is covered by the policy Do not connect the drive motor to electric models before the receiver system has been completely installed Thi...

Page 6: ...se the model in an area that may endanger other people animals or objects Only operate it on private sites or places which are specifically designated for remote controlled models In the event of a malfunction discontinue use immediately and establish the cause of the problem before using the model again Do not use the remote control during thunderstorms under high voltage power lines or in the pr...

Page 7: ...eries should be charged at least once every three months to prevent damage due to deep discharge Always replace the entire set of batteries or rechargeable batteries Do not mix full batteries with half full ones Always use batteries of the same type and from the same manufacturer Never mix non rechargeable batteries with rechargeable batteries For reasons of operational safety only use disposable ...

Page 8: ...ngs on your remote control to be differ ent than depicted in this manual However the function notes described in the text refer exclusively to the GT2 1 EVO remote control Figure 1 1 Transmitter antenna 2 Steering wheel for the steering function 3 Operating lever for the driving function 4 Transmitter base with integrated battery compartment 5 PC interface socket 6 Control panel cover hinged ...

Page 9: ...en LED for the display of low voltage and special functions 9 Dual rate button for the steering function 10 Power ON OFF switch 11 Trim button for the driving function 12 Trim button for the steering function 13 Red LED for the operational control 14 Operating button for the pairing function switching function of channel 3 15 Reverse switch for the steering function ...

Page 10: ...on Proceed as follows to insert the batteries The battery compartment lid 1 is located on the bottom of the transmitter Press the corrugated surface 2 and slide the cover off in the direction of the arrow Now insert four batteries into the battery compartment Ensure the correct polarity of each of the cells The nega tive pole housing of the battery 3 must be in contact with the spiral spring 4 A c...

Page 11: ...hows you the switched on status of the transmitter The green LED for the low voltage indicator see also Figure 2 Pos 8 lights up permanently and signals the adequate power supply of the transmitter If the power supply drops below 4 3 V the green low volt age indicator will start flashing In this case you should stop operating your model as quickly as possible To continue operation of the transmit ...

Page 12: ...er yellow white or orange must be con nected to the inner left pin contact The plug contact for the negative line according to the manufacturer black or brown must be connected to the outer right pin contact The servos and the receiver power supply can be connected in different ways depending on the model in which the remote control system is used Output Combustion model vehicle Connection diagram...

Page 13: ... correctly connected normally set at the factory the red control LED in the receiver lights up see Figure 5 Pos 16 Check the correct function of the receiver and the connected servos and then switch it off again b Installing the receiver The installation of the receiver depends on the model For this reason you should always follow the recommendations of the model manufacturer regarding receiver in...

Page 14: ...rol behaviour will not be correct The linkages must work as smoothly as possible without clearance in the bearings or deflections Before mounting the servo levers operate the transmit ter and then the receiver and check the correct centre of the trim on the remote control transmitter see following chapter Always mount the servo levers at a 90 angle to the link age rods see Figure 9 Sketch A If the...

Page 15: ...dicator 8 starts to flicker again after some time and the servo lever returns to the centre position If the green LED flashes twice briefly release the trim button immediately The centre position has been reached and the set value is saved automatically Even after switching off and on the last set value is retained If the centre position of the digital trim for the steering has been set on the tra...

Page 16: ...ly the steering of the model should react to the rotary movements of the steering wheel see Figure 1 Pos 2 When the steering wheel is in the centre position the wheels should be straight If the wheels are at an angle even though the steering wheel is in the centre position check the correct position of the lever on the steering servo The steering linkage rods can be readjusted if necessary If you ...

Page 17: ...ering deflection is too large when operating the model it can be reduced by means of the dual rate buttons for the steering function see Figure 12 Pos 9 If you press and hold the lower button the green LED will flicker and the maximum possible steering deflection will be reduced If the upper button is pressed and held the steering deflection increases again If you turn the control wheel on the tra...

Page 18: ... the operating direction of the operating lever Important For a model with an internal combustion engine adjust the carburettor and brake linkage rods so that the throttle brake servo is not mechanically limited The trim setting for the driving function must be in the mid dle position For a model with an electronic speed controller different positions of the operating lever for the driving functio...

Page 19: ...sed for example to control a special mechanical function in a model Important Because the two end positions cannot be set electronically any linkage rods must be ad justed so that the servo on channel 3 is not mechanically limited in its rotational movement As an alternative to a servo a switching module can also be connected to receiver output 3 Thus it is possible for example to turn the light f...

Page 20: ...ransmitter and then the receiver Then press and hold the fail safe button 17 on the receiver The LED 16 in the receiver flashes twice and then lights up again solidly Release the button in the receiver The fail safe position is now saved The stored fail safe position remains stored even after the receiver has been switched off and on again Then carry out a function test proceeding as follows When ...

Page 21: ... Press and hold the pairing button see Figure 2 Pos 14 With the steering wheel in the steering position and the pairing button pressed switch on the transmitter with the on off switch Release the steering wheel and the pairing button If the green LED for the low voltage indicator is flashing continuously the transmitter has switched to the AFHDS digital coding If the green LED flashes intermittent...

Page 22: ...r supply of the receiver receiver battery or speed controller with BEC is connected to output CH3 of the receiver Turn on the receiver The LED in the receiver 16 starts flashing quickly Press the pairing button on the transmitter see Figure 2 Pos 14 and hold it down Turn on the transmitter while holding the button The low voltage indicator on the transmitter flashes When the LED in the receiver 2 ...

Page 23: ...e and cleaning This product does not require maintenance Never attempt to disassemble the product except for inserting or replac ing the batteries as described in these instructions Clean the exterior of the remote control with a soft dry cloth or brush Never use abrasive cleaning agents or chemical solutions as these may damage the surface of the case 21 Declaration of Conformity DOC Conrad Elect...

Page 24: ...ut the pairing function Switch the coding on the transmitter and pair the receiver again The servos shake Check batteries or rechargeable batteries of the transmitter and model Dry any humidity in the receiver with a hair dryer A servo is humming Check the receiver batteries or rechargeable batteries Check that the linkage rods are running smoothly Operate servo without servo lever for test purpos...

Page 25: ...ed batteries rechargeable batteries Dis posing of them in the household waste is prohibited Contaminated rechargeable batteries are labelled with this symbol to indicate that disposal in the domes tic waste is forbidden The designations for the heavy metals involved are Cd Cadmium Hg Mercury Pb Lead name on rechargeable batteries e g below the trash icon on the left Used rechargeable batteries can...

Page 26: ...perating voltage 6 V DC via 4 AA Mignon batteries Dimensions W x H x D 160 x 210 x 95 mm Weight without batteries approx 240 g b Receiver Frequency band 2 405 2 475 GHz Number of channels 3 Coding AFHDS2A Plug in system Futaba Graupner JR Operating voltage 4 0 6 5 V DC via 4 AA Mignon batteries or rechargeable batteries Dimensions W x H x D 35 x 22 x 12 mm Weight approx 5 g ...

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Page 28: ...ved Reproduction by any method e g photocopy microfilming or the capture in electronic data processing systems require the prior written approval by the editor Reprinting also in part is prohibited This publication represent the technical status at the time of printing Copyright 2019 by Conrad Electronic SE 1897778_V1_0219_02_VTP_m_en ...

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