There are only a few standard buttons shortcuts from what I have seen, and with some newer games having upteen zillion buttons, it not easy to have a standard button map, especially as each persons cabinet has a different amount of buttons and different layout. Thankfully there are 2 shortcuts allowed per button input, so you can use the same button for 2 non competing inputs.
My original button mapping was based on using a numerical keypad, and with editing over 1000 layouts to utilize the 16 buttons I use, I am now stuck with it. The one thing that really helps now with mapping a new layout, is the "Config" button in configuration. This helps to map your buttons to newly assigned inputs, after you load a pre-saved config file, and start adding button presses in [Edit/Properties] - (press button to assign button function). When finished click the Config button, and it maps your lamps.