DI’s Ruggedized Digital Recorders have all operating systems, programs and data on removable storage devices. Since removal of these storage devices eliminates all traces of previous data and information, transporting, diagnostics and repair activities are readily facilitated. The DI-930 supports up to 16 channels of audio input per chassis, archives in a digital format on Digital Audio Tape (DAT) and can be supplied with optional rack mounting hardware. The DI-910 is a rack mounted unit, supporting 32 channels per chassis and archiving in digital format onto Magneto Optical (MO) Disks. DI’s CR & VR Series Recorders are analog 2 or 4 channels recorders archiving in analog format to a standard Phillips cassette tape.