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OpenTX - Application Note 21

Trainer Set Up with a Spektrum DX7 as a Slave

Set up the Taranis in training mode as a master with a Spektrum DX7 as a slave.

 

The Spektrum DX7 and Taranis X9D are set up to provide full control of throttle, aileron, elevator and rudder when the switch SH (spring return switch) is down. Audio files announce ‘Your plane’ when the student is in control and ‘My plane’ when the trainer is in control.

 

 

Set Up the Spektrum DX7

On the selected model, ensure that channels 1 to 4 have ...

  100% range,

  0 trim,

  0 sub trim,

  0 exponential,

  no inversion, and

  no mixes.

 

In the System Set Up, set the trainer mode to INH.

 

Turn off the DX7 power. Plug in the trainer cable. This turns the DX7 power on.

Set Up the Taranis X9D Plus

Radio Set Up

Plug the training cable into the Taranis training socket.

On the Trainer screen, set the Mode, Percentage and Source for the Thr, Ail, Ele and Rud as follows.

 

 

To set the midpoints for each channel, centre each of the sticks on the DX7, select CAL and press ENT LP (long press). The channel values then show 0.0, approximately.

Move the DX7 sticks to their limits and ensure the direction is correct. Change the percentage to –100 if the channel is reversed. Adjust the Multiplier value so that the channel values have a range of –100 to +100, approximately.

This configuration applies to all models because it is a radio configuration, not a model configuration.

Model Set Up

Select the model to be used as the training model. On the Model Setup screen under Training Port, ensure the mode is set to ‘Master’.

On the Special Functions screen, create a special function to assign a switch to enable the slaves control of the aircraft. In this example, SF8 is used in this example. Switch SH in the down position is used to enable the slave. Ensure the check box is ticked to enable the special function.

 

Function Number

Source

Function

Parameter 1

Parameter 2

Check Box

SF8

SH

Trainer

---

 

ticked

 

Add this special function to each model that is used for training.

Audio Files

Create the following audio files and transfer them to the [SOUNDS]/[en] folder of the SD card

 

Announcement

File name

‘My plane’

planemy.wav

‘Your plane’

planeyor.wav

 

The following special functions are added to each model that is used for training. In this example, SF10 and SF11 are used.

 

Function Number

Source

Function

Parameter 1

Parameter 2

Check Box

SF10

SH↑

Play Track

planemy

 

1x

SF11

SH

Play Track

planeyor

 

1x

Confirm It Works

Display the Channel Monitor.

With SH down, the audio file ‘Your plane’ is played. With SH up, the audio file ‘My plane’ is played.

With switch SH up, confirm that the Taranis sticks control the channels and the other controls work as expected. Note that the ranges are affected by the Taranis inputs, mixer, servos and special functions screen features.

With switch SH down, confirm that the Spektrum DX7 sticks control the channels the same as the Taranis sticks do. Note that the ranges are also affected by the Taranis inputs, mixer, servos and special functions screen features

 

Phantom Divide

 

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