1) Open Cui
2) In the “Command List” box select “New”
3) In the Properties window that pops up on the lower right:
In the name line type NoHelp
Either leave the macro line as ^C^C
4) Now Drag and drop that new command to the upper left box “Customizations in ALL CUI FILES-> Keyboard shortcuts-> Shortcut keys.
5) The Command (NoHelp) will now appear in the top right box that will be called “Shortcuts”. Doubleclick on it to open the information box below.
6) In the line Key(s) type in F1 or if you click on the word Key(s) a little box to the right with 3 dots will show up. Click on this and you can click on the F1 key and assign it. Beware, if you have caps on you will get shift +F1, so turn caps off.
7) Apply, ok and you are good to go.