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SAFETY NOTES 

Please  read  through  the  instructions  carefully  before  using  this  radio.  Pay  much  attention  to  all 
precautions and warnings to ensure the safest operation. 
 
WARNINGS 
Do  not  fly  in  the  rain  or  at  night.  Water  can 
permanently damage many of the components 
in the radio system, possibly causing loss of the 
control and a crash. 
 
Only  fly  at  designated R/C  flying fields.  Fly  at 
safe distances away from other people, objects 
in the air, buildings, electrical lines, or any other 
object which could possible impede safe flying. 
Failure  to  do  so  could  cause  a  crash  and 
possibly  bodily  harm  and  physical  damage  to 
other property. 
 
Always test the radio system before use. Make 
sure the operation of each channel in the radio 
is in the proper direction. If a channel does not 
accurately respond according to the transmitter 
input,  do  not  fly  the  model.  Check  for  and 
correct  improperly  functioning  equipment 
before  use.  Failure  to  ensure  proper  radio 
operation before flight could result in a crash. 
 
During  flight  preparations,  be  certain  to  place 
the transmitter on its back when on the ground, 
to prevent it from accidentally falling over and 
inadvertently  moving  the  throttle  stick  to  high 
speed. 
 
Do  not  allow  fuel  or  oil  on  the  plastic  parts. 
Some plastics may melt when exposed to such 
material. 
Before  turning  on  the  transmitter,  adjust  the 
throttle stick to minimum speed position. After 
stopping the engine turn “OFF”, the transmitter 
power  switch,  then  turn  “Off”  the  transmitter 
power switch. Failure to follow this order could 
cause the engine to go to full throttle and cause 
an injury. 
 
Do not make adjustments to the radio system 

while  the  engine  is  running  unless  absolutely 
necessary.  Failure  to  do  so  could  cause  the 
engine  to  accidentally  go  to  high  speed  and 
cause an injury. 
 
The transmitter is designed for use with 8 dry 
cell  (Non-rechargeable)  AA  size  alkaline 
batteries or rechargeable NiMh cells (available 
separately).  If  using  rechargeable  batteries, 
please follow the charging instructions supplied 
by the manufacturer of the batteries.     
 
Never  attempt  to  charge  non-chargeable 
alkaline  dry  cell  batteries  as  there  is  a  risk  of 
fire, damage and personal injury. 
 
Always full charge the transmitter and receiver 
battery before each flight. Failure to do so could 
cause an inadvertent power failure and a crash. 
Use the charger supplied with this supplied with 
this  radio.  If  using  another  charger,  do  not 
overcharge the battery, as it could cause burns, 
fire, injury or other equipment damage. Do not 
short  circuit  the  battery  terminals,  as  arcing, 
overheating or fire could result. 
 
Do not leave the radio system, batteries, model 
helicopter or other equipment within the reach 
of children. 
 
Do not overheat or throw the batteries into a fire. 
Leaking  electrolyte  from  the  battery  could 
cause  injury,  such  as  burns  or  blindness.  In 
case of emergency, immediately flush you eyes, 
skin  or  cloths  with  plenty  of  water  and  see  a 
doctor. Recycle  the battery when no longer in 
usable condition. 
 
Store  the  radio  with  all  NiMh  batteries  in  the 
discharged  state  and  be  certain  to  full  charge 
the batteries just prior to use. 

 
 
 

Summary of Contents for AT401

Page 1: ...2 4GHz 4 Channel Radio Remote Control Transmitter Models AT401 AT402 AT501 AT601 INSTRUCTION MANUAL Digital Proportional Radio Control System Taizhou Best Team Technology Limited www rcmodel net ...

Page 2: ...turn Off the transmitter power switch Failure to follow this order could cause the engine to go to full throttle and cause an injury Do not make adjustments to the radio system while the engine is running unless absolutely necessary Failure to do so could cause the engine to accidentally go to high speed and cause an injury The transmitter is designed for use with 8 dry cell Non rechargeable AA si...

Page 3: ...evator CH2 NOR Normal THR throttle CH3 RUD Rudder CH4 Power switch in the upper position the power is turned on LED Power on Hook Aileron trim lever Rudder trim lever Throttle model 1 Elevator model 2 Aileron stick Elevator model 1 Throttle model 2 rudder stick Carrying bar 2 4G Antenna Throttle trim lever model 1 Elevator trim lever model 2 Elevator trim lever model 1 Throttle trim lever model 2 ...

Page 4: ...nting your servos Do not over tighten the mounding screws The servos should be able to move slightly to compensate for engine vibration For each servo use a servo horn long enough to accommodate the entire range of movement for that particular control When mounting the servos make sure the pushrods are not too loose or bind in anyway Pushrods should be capable of operating the full range of the se...

Page 5: ... Press and hold the Binding Switch on the receiver for approximately 5 seconds until the Binding Indicator LED on the receiver goes solid green indicating the binding finished RANG BATTERY TEST It is very important to check the transmitter will operate the model satisfactorily at maximum range 1 In order to do this place the model on the ground and walk away from it whilst operation the swashplate...

Page 6: ...ce horn rod 3 Check the engine throttle speed adjustment linkage Change the servo horn installation position and hole position so that the throttle is opened fully when the throttle stick is set to HIGH forward and is closed fully when the throttle stick and throttle stick and throttle trim are set for maximum slow backward position and lower position respectively 4 After all the linkages have bee...

Page 7: ...direction of the aircraft Reverse REV With the servo reversing function this is used to mean the reverse side The opposite side is the normal side Rod A bar that connects the servos and the fuselage control surfaces Servo Horn A part that is installed to the shaft of a servo and changes the rotating motion of the servo to linear motion and transmits the linear motion to a rod Servo horns come in v...

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