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KDS-7XII Radio Remote Control System   

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Introduction 

Thank  you  for  purchasing  KDS-7XII  Radio  Remote  Control  System  (hereafter  called  K-7XII). 

This system is extremely versatile and may be used by beginners and

 

professionals

 

alike. In order 

for you to make the best use of your system and to fly safely, please read this manual carefully. If 

you have any difficulties while using your system, please contact your hobby dealer. 

Liability Declaration 

 

KDS  model  has  the  right  to  change  the  product,  including  the  exterior,  the  functions 

parameter, and use request, but no notice. 

 

KDS  model  does not  provide any  guarantee,  declaration  and  promise  for  special  use  of  any 

KDS products. 

 

The  recommended  or  text  technologies  data  in  the  technology  introduction  for  KDS  model 

only indicates the test result at that time, but it does not mean KDS model acknowledges the 

result in law. 

 

KDS  model  will  not  be  responsible  for  the  result  made  by  using  any  product  or  circuit, 

including the incidental or indirect compensation. 

 

The parameters of KDS electronic products will be changed under different conditions. The 

products will work only after all the functions parameters are approved by each use intension. 

Precaution of Safety 

 

It  requires  professional  skills  and  technical  knowledge  to  install  and  operate  R/C  model 

properly.  Incorrect installation and operation will result in severe property loss and personal 

injuries. 

 

KDS-7XII  2.4GHz  is exclusively  designed for civil  use  of  R/C  models. Don’t  use it in any 

other flying machines. 

 

The governmence for R/C model is different in different place, therefore, please consult your 

local regulatory body and follow the rules and regulations to operate legally. 

 

Radio wave transfers almost in straight routine in 2.4GHz, please make sure there is no any 

obstacle when you are operating the product. The antenna tube should point at the controlled 

model  to  ensure  efficient  control,  and  keep  conductive  materials  away  from  receiver  and 

transmitter. 

 

If  there  is  prang,  collision,  welter  and  other  accidents  when  operating,  please  test  all  the 

things before next operating. 

 

Always keep electronic components away from small children. 

 

Stop flying long before your batteries become low on charge. Do not rely on your radio's low 

battery warning systems, intended only as a precaution, to tell you when to recharge. Always 

check your transmitter and receiver batteries prior to each flight. 

 

While you are getting ready to fly, if you place your transmitter on the ground, be sure that 

Summary of Contents for KDS-7XII

Page 1: ......

Page 2: ...ters are approved by each use intension Precaution of Safety It requires professional skills and technical knowledge to install and operate R C model properly Incorrect installation and operation will...

Page 3: ...enna will reduce your flying range and cause loss of control It is a good idea to avoid pointing the transmitter antenna directly at the model since the signal is weakest in that direction Don t fly i...

Page 4: ...at single radio can control several models KDS 7XII supports different brand gyros KDS 7XII reacts quickly and precisely 1 Mounting of Receiver Installation position shall follow these conditions 1 Ke...

Page 5: ...into the BIND slot of receiver Then power on receiver by plugging the ESC line then the LED of receiver will flash fast Then you can remove the BIND line 2 Hold ESC button of transmitter then turn on...

Page 6: ...7 models parameters store 3 Support 5 points throttle THR curve in NORMAL mode and IDLE mode 4 Support 5 points pitch PIT curve in NORMAL mode IDLE mode and HOLD mode 5 Support HELI helicopter mode an...

Page 7: ...control dual rate of aileron elevator and rudder See section 6 4 HOLD THR hold switch See section 6 6 GEAR In AERO mode it controls channel 5 In HELI mode it controls channel 7 See section 7 See secti...

Page 8: ...y be dangerous 4 Stick Adjusting To adjust the stick length use 1 5mm inner hexagon screw driver to unlock the set screw Turn the screw driver counter clockwise to loosen the screw Then turn the stick...

Page 9: ...l plane D P Delta wing plane HL1 Normal helicopter with 1 servo HL2 Swash helicopter with 2 servos HL3 CCPM 120 swash helicopter with 3 servos STK TYP Stick mode Mode 1 the left hand controls the thro...

Page 10: ...T Pitch 7 AUX Auxiliary Table 4 HELI mode Channels list Press MENU will enter setting mode In HELI mode there are 11 items which can be set see Table 5 During setting you can press MENU to change sett...

Page 11: ...us Description dR1 Rate 1 Rate 1 of dual rate dR2 Rate 2 Rate 2 of dual rate HLD Hold Hold mode IDL Idle Idle mode Table 6 HELI mode mix control status 6 1 Reverse Setting Press UP or DN to change cha...

Page 12: ...the value between 100 to 100 default value is 0 Figure 8 Sub trim setting 6 4 Dual Rate Setting DR switch control the dual rate of aileron elevator and rudder And the rate of aileron elevator and rud...

Page 13: ...r rate when DR SW 1 Table7 Dual rate setting 6 5 Exponent Setting Press UP or DN to change channel index between Aileron Elevator and Rudder Press INC or DEC to modify the value between 45 to 45 Defau...

Page 14: ...of the two values decided by IDLE switch see Figure1 The sensitivity value can be set between 100 100 When it is greater than 0 the gyro is in head lock mode when the value is less than or equal to 0...

Page 15: ...urves in K 7XII one is for NORMAL mode and the other is for IDLE mode Every curve has 5 points Each point means the relation between signal and stick position as Table 8 Press UP or DN to change chann...

Page 16: ...he relation between signal and stick position as Table 8 Press UP or DN to change channel index between N 1 to N 5 I 1 to I 5 and H 1 to H 5 N for NORMAL mode I for IDLE mode and H for HOLD mode Press...

Page 17: ...control by D R switch Table 9 AERO channels list There are 8 settings in AERO mode see Table10 for details To change settings the operations are the same as the operations in HELI mode Index Caption D...

Page 18: ...ing 7 GER Gear setting 8 FLP Flap setting 9 MIX V tail Mix control setting Table 11 V tail settings 8 1 V tail Mix control Setting There are four items in this setting E 2 E 4 R 2 and R 4 The value is...

Page 19: ...Delta wing mode see Table 13 for details To change settings the operations are the same as in HELI mode Index Caption Description 1 REV Channel reverse setting 2 EPA End point adjustment 3 TRM Channe...

Page 20: ...ileron x A 1 Elevator x E 1 CH2 Aileron x A 2 Elevator x E 2 Table 14 Delta wing signal Mix control Press UP or DN to change channel index between A 1 A 2 and E 1 E 2 Press INC or DEC to modify the va...

Page 21: ...nsmitter will load the parameters of your selection and all your settings will be saved into the model you selected 11 Stick Trim When you pull buttons of stick trim see figure 1 the screen will displ...

Page 22: ...transmitter is on it will block in warning status You will see THRO in screen and hear continuously beep till you move the stick to the lowest position Figure 24 Throttle warning 13 IDLE Warning K 7XI...

Page 23: ...function You can predefine a set of values for each channel The receiver will use these values if it loses signal from transmitter To set the values you should do as following steps 1 Turn on the tran...

Page 24: ...tances you can try to change the transmitter frequency by following steps 1 Enter system mode by holding MENU and turning on transmitter 2 Press MENU several times to ID GEN function you can see follo...

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