Hi Bob, thanks for posting the photo. You will need to use the correct adapter cable between your DX7 and the cinch cable. The adapter cable sent to you is the wrong type (for older Futaba and other radios). Please contact Hobby Lobby and request them to send you the correct adapter cable. I have attached photos of two types of adapter cable that are compatible with JR and Spektrum, either the 31036 or AFP02 will work fine. If you have any problems getting either of these from them, please let me know immediately.

The connection sequence from your computer to the DX7 should be: USB stick interface, USB stick adapter cable, 2.5mm cinch cable, JR/Spektrum adapter cable (31036 or AFP02), finally DX7. Let me know if you need me to post a photo of the connection sequence if this is not clear to you.

Hope this helps