a control that, if it fails, means there is at least a reasonable likelihood that a material error in the financial statements would not be prevented or detected on a timely basis
(digital key control, pitch control, key changer) Raises or lowers all the notes to help you sing in your range. Digital key change affects only the pitch, not the tempo. A non digital key controller will slow or speed up the song tempo.
(n.) 1. Any method or procedure which limits unauthorized acquisition of a key and/or controls distribution of authorized keys. (n.) 2. A systematic organization of keys and key records. Source: Lock Industry Standards and Training (LIST) Council