Abstract: This metric is the ratio of the maintenance personnel who are actively doing the maintenance work (direct) to the maintenance personnel supporting the maintenance work (indirect). Direct personnel include those workers in the maintenance department that repair, maintain, modify or calibrate equipment.
MIDI (Musical Instrument Digital Interface) is a protocol designed for recording and playing back music on digital synthesizers that is supported by many makes of personal computer sound cards. Originally intended to control one keyboard from another, it was quickly adopted for the personal computer.
Audio MIDI Setup: How to test for MIDI function. The Audio MIDI Setup application (located in your Utilities folder) is a very useful tool for troubleshooting signal flow in your MIDI setup. Here's how to use it to test for MIDI functionality in your system: Open the Audio MIDI Setup application.