The Record Button extension enables the use of the Record button on the Apple Adjustable Keyboard (the circular button in the lower right corner with the microphone icon next to it) to start and stop the recording of a sound. To use it, you must first open the Sound control panel, and click on the "Add..." button.
The Keyboard Installer disk installs the following resources:
* Sound control panel, version 7.1.1
* Record Button extension, version 1.0
* Keyboard Resources (to be added to System File), version 1.0