We want you to be able to keep your transmitter settings exactly the way you had them before Ruby, to be able to plug your servos into Ruby simply by following the labeling printed on it. ("Aileron Left", "Aileron Right", etc..), and to spend little or no time configuring.
There are many ways that the mapping of transmitter controls to servos and flight controls can vary. For instance, Futaba typically outputs throttle on channel 3, while others use channel 1, and some users may use two receiver channels for dual aileron or flaps servos while others use a "Y" cable connected to a single channel.
Fortunately, settings can be loaded into your Ruby to support just about any scheme.
We want to minimize your time and potential for mistakes and frustration. Rather than leave you alone with an installation software application, we will provide necessary settings files by working with you in person. This step also gives us a chance to catch possible installation errors. We'll be glad to help you to set up several different planes or configurations, or to make changes as your preferences change.
The instructions below should be sufficient, but if you'd like to see a video, here's one kindly provided by Johnny M. at TeamLegit: [video]
The Ritual
We'll need you to go through a specific sequence of control movements on your transmitter (it will seem like a witchcraft ritual), and send us the data file that Ruby records to the flash chip during the process.
The whole ritual typically takes about 5 minutes, and you won't have to think very hard.
Once we review that data file, we'll be able to send you back a configuration file telling Ruby how you would like your transmitter controls to correspond to flight controls / servo outputs on Ruby
The following can be performed whether or not you already have Ruby installed in your plane and connected to servos, but if possible should be performed after you've installed everything into the plane as it will be in flight. This will allow us to catch more possible errors.
Disconnect motor or propeller if already installed.
Perform all steps in exactly the order given below. Pause for about a second at each step.
We ask you to rotate the plane on your bench at each step. This is because we can use data from the magnetometer as a cue / index to ensure there's no confusion about which step you're performing. You don't have to be precise - just point in general north,east, south, west directions. If rotating the plane will be difficult (i.e. big wings, small workshop), you can just keep the plane stationary.
- Disconnect motor or propeller
- Be sure that the SD Flash chip is inserted in the Expander, and the Expander is attached to the Controller
- Be sure that all components are oriented and connected to the Ruby controller as they will be in flight. This includes: airspeed/magnetometer, power sensor, GPS sensor.
- Be sure that you've set up and tested your receiver's failsafe settings as specified [here]..
- Connect desired receiver to Ruby controller
- If Ruby is already installed in a plane, make sure the plane is right-side up and somewhat level.
If Ruby is not already installed, make sure that the controller is oriented on the table in the same way as if will be when installed in your plane, right-side-up and level.
- Turn on transmitter
- Select the transmitter settings, channel reversals, mixes, etc... that you normally use with your plane without Ruby.
- Move all transmitter controls and mix switches etc... to centered / trimmed positions used during normal cruise flight.
- Move throttle to off / zero.
- Flip the switch you wish to use for mode selection down/towards you. (which will select "manual mode" once Ruby is configured)
- Move flaps switch to the "up/retracted" position
- point the nose of the airspeed sensor approximately to the north
(if already installed in plane, this means pointing the whole plane to the north)
- apply power to Ruby
Elevator
- Point the airspeed/magnetometer nozzle approximately to the east
- Move the elevator stick for full "up" elevator. (pull the right stick all the way towards you)
If the elevator surface moves down instead of up, reverse the channel in your transmitter settings.
- Elevator down (push the right stick all the way away from you)
- Elevator center (just let go of the stick)
Mode switch
- point the airspeed/magnetometer nozzle approximately to the south
- flip the switch to be used as "mode switch" (typically "gear" switch) all the way away from you (this will engage autopilot or aided mode). Pause a second.
- if this is a 3 position switch, flip the mode to the center position (this will engage aided mode). Pause a second.
- if this is a rotary switch or you've set up multiple switches in your transmitter to be used in combination to select between more than three modes, move through each possible position / switch combination, pausing for a second at each.
- flip the mode switch all the way towards you (manual mode)
If your plane has ailerons:
- Point the airspeed/magnetometer nozzle approximately to the west
- Move aileron stick all the way to the right, with no movement up or down direction
If the right aileron moves down instead of up, reverse the aileron channel in your transmitter settings.
- Aileron left ""
- Aileron center (just let go of the stick)
If your plane has power / throttle:
- point the airspeed/magnetometer nozzle approximately to the north
- *** For electric planes, be sure that the motor or propeller is disconnected
- Throttle full (push the left stick all the way forward)
- Throttle off (pull the left stick all the way towards you)
If your plane has rudder:
- point the airspeed/magnetometer nozzle approximately to the east
- Rudder right
If the rudder moves to the left instead of right, reverse the rudder channel in your transmitter settings.
- Rudder left
- Rudder center
If your plane has flaps:
- point the airspeed/magnetometer nozzle approximately to the south
- Flaps down
If flaps move up instead of down, reverse the flaps channel in your transmitter settings.
- point the airspeed/magnetometer nozzle approximately to the west
- Tilt the plane nose down. A 10 or 20 degree dip will suffice. (We'll use this to confirm orientation of the sensors.)
- shut off the transmitter (This will allow us to see what your receiver outputs for failsafes)
- point the airspeed/magnetometer nozzle approximately to the north
- (Optional step:) Take the plane outdoors or away from all magnetic influences such as rebar reinforced concrete, work benches, and cars and rotate on each axis. This is to check to be sure that the magnetometer and accelerometer calibrations are correct and there is nothing in the plane distorting the magnetometer.
- turn off ruby
Grab the most recently recorded "data_##.utd" file (the one with the highest number) from the SD Flash chip and send it to us as a file attachment to: support@uthere.com. (If you're not sure how to do this, [click here]).
Note that every time Ruby is powered up, it creates a data file. There may already be a number of data files in there from factory testing and calibration. All we need is the most recent one created when you performed "the ritual". This will be the highest numbered one. You're always free to delete ".utd" files from the SD Flash chip whenever it gets too cluttered. Just be sure to leave the ".utms" file in place to tell Ruby to continue recording data files in the future.
In your email, be sure to indicate to us:
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