It needs to be noted that there are common short-cut keyboard keys that can be used.
Extra helpful function keys:
F2-key - Opens Manual Series Add window.
F4-key - Pulls up Batch Rescrape Wizard depending i you are on Movie tab or TV tab.
* F7-key - TV Search active Root Series folder for new series to scrape and add to TV Series. Does not scrape Episodes - see F3
There are also command parameters that can be added to Media Companion Shortcut Icon.
See this Link for a list of parameters.