Instructions
Press the "Down" and "Select" buttons simultaneously, then press the "Power" button to turn on the Spektrum transmitter.
Press the "Up" key repeatedly until the word "Trainer" appears on the transmitter's screen.
Press the "Increase" or "Decrease" keys to select the type of trainer mode you need to make use of. You can select "INH," "NORMAL," "P-LINK," or "SLAVE/P-LINK."