HereLink Controller Button Assignment with Mission Planner

I’m still looking for help.
I’ve looked thru the forum and have found some that had similar issues but for different setting and are over a couple of years old. Some of the screen shots do not match what I’m seeing on my controller and command lines in Mission Planner.
I have the herelink Controller v1.1 and AirUnit v1.1 and using Mission Planner with a Cube Orange+.

I’m having difficulty in programming the flight modes in Mission Planner where they can use the buttons as two function (short press and long press) to assign the mode on the Controller and see the corresponding function in Mission Planner.

There are videos online that show the function in operation, but I must be missing something in Mission Planner that will link the six buttons with the Controller. I’ve looked into QGC, Solex, and the Mavlink settings, but they are not providing the duel functions, or the same instructions.

Am I wasting my time looking into and setting up the buttons in the HereLink Settings app in the controller, where it’s showing Channels and Bus numbers?

If I assign a channel number, I only get one button with 2 functions, like I have read in other post.

Thank you