OSD Function Keys
OSD Function Keys 1.00 is available as a free download on our software library. This free software was originally produced by Hewlett-Packard. This download was scanned by our built-in antivirus and was rated as malware free. The most popular version of the software 1.0. The most recent setup file that can be downloaded is 1.9 MB in size. The software lies within Development Tools, more precisely General.
From the developer:
It contains the On Screen Display application to enable the special function keys on the keyboard. This program also provides some enhancements of the function keys. For example, whenever changes system speaker volume, this program displays volume indicator on the desktop screen. OSD Function Keys is a software that can bring up an OSD for the FN keys on the keyboard, more specifically for the brightness level.
You may want to check out more software, such as OSD hot keys, Mixed In Key or SQLite Foreign Key Enforcer AIR, which might be similar to OSD Function Keys.