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Align Trex Se Setup Guide

Ch. 2 is mounted from the inside of the right frame.

 

Figure C 

  

     

Servo Centering and Direction can now be checked. 

     

Remove all servo arms from the servos.

     

Set Aileron D/R Switch to 1. 

     

Turn on the transmitter. 

     

Make sure all of your trims are at 0.

     

Set your collective (left stick) to center. It should be in the same position as the right stick.

     

Disconnect your motor from the Electronic Speed Control (ESC) and plug a fully charged battery 
pack into the ESC. Leave the helicopter stationary until the Gyro initiates.

     

Begin putting the servo arms on each of the servos, lining the arm up as close to center as possible. 

See Figure A, B and C above for arm orientation

. It is not necessary to hook up the linkage at this 

time. Do not worry if they do not line up exactly. We will make adjustments later by using subtrim. If 
you find a control horn is very far off from center try a different control horn.

     

Now we can check servo direction. 

     

Move your right stick (cyclic) to the right. Channel 2 servo arm should move down and 
Channel 6 servo arm should move up. 

     

If this is not the case you will need to reverse one or both of the servos depending 
on what reaction occurred. 

     

Move the right stick (cyclic) forward. The Channel 3 servo arm should move up while the 
Channel 6 and 2 servo arms move down. The opposite applies when the right stick is pulled 
back. 

     

If this is not the case you will need reverse the Channel 3 servo.

     

Move the left stick (rudder) to the left. The Ch. 4 servo arm should move towards the tail of 
the heli. 

     

If this is not the case then you will need to reverse this servo.

     

Move the left stick (throttle) up and down. Ch 2, 3 and 6 should move together in direction 
relation to the stick movement. 

     

If any servo reversing was necessary, you may have to check for servo arm alignment again to make 
sure they are as close to center as possible.

     

We will now adjust the subtrim to center any servo arms that need centering. 

     

Turn the transmitter on if it is not already on.

     

Make sure both sticks are in the center position.

     

Push scroll and Increase at the same time to enter Function Mode.

     

Press scroll until you reach the SB-TRIM Menu.

http://www.digimemphoto.com/pdf/ (4 of 13)1/25/2006 7:09:05 PM

Summary of Contents for Trex SE

Page 1: ...so please see your manufacturers instructions for placing your radio into the correct helicopter mode in this case CCPM and other options such as servo reversing gyro gain etc Radio settings rates de...

Page 2: ...ect PLS P2S and PHS and set the following values using increase and decrease PLS 0 P2S 50 PHS 100 Press scroll to advance to the next Pitch Curve Menu Use the channel button select PLH P2H and PHH and...

Page 3: ...hen advance to around 9 degrees total The radio settings should now be very close to final with the exception of possible servo reversing subtrims and gyro gain adjustments 2 Servo mounting connection...

Page 4: ...ervo arm should move down and Channel 6 servo arm should move up If this is not the case you will need to reverse one or both of the servos depending on what reaction occurred Move the right stick cyc...

Page 5: ...t the linkage on the head assembly In order to correctly set up your new Trex you will need a pitch guage This tool is used to measure the pitch angle of the main rotor blades in relation to the flyba...

Page 6: ...the guage If all is well your flybar and top of guage will be parallel showing your pitch is at 0 Do the same for the other blade You should be right on if not very close You can make slight adjustme...

Page 7: ...tom of the main rotor housing figure J below The gap can be tighter than what is shown but they surfaces should not be butted together If you are unable to reach 10 degrees before the surfaces touch t...

Page 8: ...section and do this servo again You need to be in flight mode 1 With the servo centered horn on linkage connected loosen the servo mount bracket so it can be moved on the boom Position the servo so t...

Page 9: ...to push the tail away from you Watch the servo and not the direction it moves when you push the tail The servo horn should move towards the tail as in the diagram Pulling the tail towards you should r...

Page 10: ...full left rudder Listen for binding and check clearance figure P If you hear binding or see that there is zero clearance reduce the gyro travel limit on the gyro until you have some clearance Do the...

Page 11: ...ct with the main gear 6 Final Check Before attempting hover or flight there are several areas to check and are not limited to the following Binding Disconnect your motor leads for safety Give the heli...

Page 12: ...h Switch at 0 Normal operation Switch at 1 No motor operation Aileron D R Switch Switch at 0 Gyro Head Hold Mode ON should remain in this mode Switch at 1 Gyro Head Hold Mode OFF Elevator D R Switch F...

Page 13: ...erely steps shown to me by Bob to get SE straight and hopefully will do the same for others History 01 25 06 updated CP section of radio setup to better explain the function of CP2 CP3 and CP6 Added g...

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