|RES (Rudder, Elevator, Spoiler)
The goal here is to put the elevator and rudder on the right stick and
put the spoiler on the left stick. You don't need to worry about switch
locations, because you are not going to use any of them. If you have a
V-tail, perform the V-tail mixing found at the end of this article first.
Plug the elevator in to slot 3, the rudder into slot 4 and the spoiler
into slot 5.
This section assumes that you have read the beginning of the article
concerning System Mode and have performed the setup described. The setup
instructions below continue with DeviceSEL found in the System Mode.
Return to System Mode
1. Scroll the cursor over DeviceSEL and push the ROLLING SELECTOR.
2. Scroll the cursor over to SPEED and push the ROLLING SELECTOR. Select
INH and push the ROLLING SELECTOR.
3. Scroll over to LAUN and push the ROLLING SELECTOR. Select INH and push
the ROLLING SELECTOR.
4. Scroll over to MOTO and push the ROLLING SELECTOR. As you can see,
there are many options to select from. Typically select SPOI ST and push
the ROLLING SELECTOR. This places the spoiler control on the throttle
5. Scroll down to the OUT: line under MOTO and push the ROLLING SELECTOR
until it says ACT. (Rather than a motor, you will be using this function
to work the spoilers.)
6. Plug the spoiler servo into slot #5 on the receiver.
7. It does not matter what you select for FLAP, AUX2, AUX3 and AUX4. You
are gong to turn them off, just scroll to the bottom line and INH each
of the columns.
After turning the radio on you will see the general information display.
To enter the function mode, simply touch the LIST button.
Scroll the cursor over REV.SW and push the ROLLING SELECTOR. Slowly operate
the rudder (left-hand stick), the elevator (right-hand stick) and the
spoiler (identified on the REV.SW screen as MOT). Make sure that all of
the control surfaces move in the correct direction. To reverse a servo,
Scroll the cursor over the correct servo and push the ROLLING SELECTOR
to change the servo from normal to reverse.
Don't worry that the Rudder and Elevator are on different sticks. Later
we will move the rudder to the right stick with a mixing function.
Sub trim allows you to electronically center all of your control surfaces.
Now that the servo direction is correct (the primary control surfaces
all move in the right direction), it is time to align all of the control
All of the control surfaces must be aligned mechanically first. It's
important to perform this function with the transmitter and receiver turned
on and all trims set at neutral. Adjust the linkages and servo arms for
the elevator and the rudder so that they are as close to neutral as possible.
A computer radio will not make up for sloppy building.
Scroll the cursor over Sub Trim and push the ROLLING SELECTOR. All of
your sub trim values should read 0%.
Scroll the cursor over the servo you need to align and push the ROLLING
SELECTOR. Scroll the ROLLING SELECTOR left or right until the control
surface is centered (elevator and rudder). You should not need to do this
for the spoiler.
Dual Rate functions are available for elevator and rudder.
1. Scroll the cursor over D/R & EXP and push the ROLLING SELECTOR.
2. Scroll the cursor over AILE or ELEV or RUDD and push the ROLLING SELECTOR.
3. Scroll the cursor down to ELEV and push the ROLLING SELECTOR.
4. Select position 1 on the Elevator D/R switch.
5. In this format, only D/R or EXP is available for Pos-0 or Pos-1. Ignore
Pos-2. Scroll the cursor over the Pos-1 D/R column
6. Move the elevator stick slowly, until it stops and hold it in that
position. If the actual elevator throw is greater than that recommended
in the plans, roll the ROLLING SELECTOR while holding the elevator stick
against the stop. The amount of elevator deflection will slowly increase
or decrease, depending on which way you're rolling the ROLLING SELECTOR.
Stop when the amount of elevator throw is correct when the stick is fully
Now move the elevator stick in the other direction. As you can see, the
dual rate function should have affected both the up and down elevator.
(However, if your mechanical linkages are not symmetrical you still have
more deflection in one direction than the other.)
Perform the same function for rudder throw by fully deflecting the rudder
stick (left stick) and adjusting the rudder dual rate appropriately.
These instructions will only get you in the general area for the particular
type, style and trim of your airplane. Use the dual rate function to modify
the pitch (elevator) or roll (rudder) sensitivity of the aircraft to satisfy
your personal taste. Once you have determined the optimum setting, you
should program both switch positions for dual rate and exponential to
be exactly the same. This prevents you from accidentally bumping a switch
in flight and suddenly having an aircraft with different flying characteristics.
Now that you have the two basic control surfaces (elevator and rudder)
adjusted to the appropriate amount of control throw, it is now time for
the final control throw adjustments. (The final adjustment of these control
surfaces should be done at home on your workbench and not at the field.)
The goal is to obtain equal travel adjustment for each of the servos.
Unless you are an expert builder, or extremely lucky, the control surfaces
will not move equally. As an example, the elevator will most likely move
further in one direction than another. The fine-tuning of these control
throws is now done using travel adjustment.
1. Scroll the cursor over TRVL ADJ. and push down the ROLLING SELECTOR.
2. On the next screen, all nine servos appear at one time.
3. Scroll the cursor over to ELEV push the ROLLING SELECTOR.
4. Measure the elevator deflection each way. Put in another 25% down throw
to help push the plane over at the top of the zoom, right before the aircraft
loses airspeed and the control surface becomes unusable. Some times the
push over needs to be fairly abrupt and additional down elevator is helpful.
The same travel adjustments should be made to make sure that the rudder
deflects the same both left and right.
Move the spoiler stick to the top. Connect the spoiler linkage so the
spoiler is closed. Slowly pull the spoiler stick down. Change the TRVL
ADJ of the MOTO section so that you obtain full open spoiler at full down
Mixing Rudder on the Left Stick
The goal for this type of airplane setup is to place ALL the directional
controls on one stick. Elevator (up and down) and rudder (left and right)
also on the right stick.
1. Scroll the cursor over Ail to Rud M and push the ROLLING SELECTOR.
2. Scroll over to Left and push the ROLLING SELECTOR.
3. Hold the aileron stick all the way over to the left.
4. Roll the ROLLING SELECTOR until the Rudder moves in the correct direction
and the correct amount and then push the ROLLING SELECTOR.
5. Scroll the cursor over to Right and push the ROLLING SELECTOR.
6. Hold the aileron stick all the way over to the right.
7. Roll the ROLLING SELECTOR until the Rudder moves in the correct direction
and the correct amount and then push the ROLLING SELECTOR.