Used in all IO loops:
Alt-F -- Toggle local mode.
Alt-D -- Open/Close Disk Log.
Alt-P -- Open/Close Print Log.
Alt-W -- Write Screen To Printer.
Alt-X -- Write Screen To LogFile.
Alt-Z -- Toggle Debug Mode.

Used only in opening screen:
Alt-A -- Override base address.
Alt-B -- Override baud rate.
Alt-C -- Override comm port.

Alt-E -- Toggle fossil mode.
Alt-G -- Enable/Disable fossil.
Alt-R -- Refresh screen.

