Sound Off! 1.3 - Link sounds to actions and events. Sound Off! for the Newton is an application that allows you to link sounds to various actions and events. Link sounds to various actions and events. Choose from almost 20 actions and events. Adjust individual sound volumes. Includes Help Book. NewtonID aware but not required. Easy to use. Sound Off! is available for Newton OS 2.0 and 2.1. It has been tested on a MessagePad 2000 and MessagePad 130. No testing on a MessagePad 120 or eMate 300 has been done, but no foreseeable problems exist at this time.