Marine Communications Limited Tel. +44 (0)1453 873399 Fax. +44 (0)1453 873344 Marinex 3D Support Marinex 3D Installation Manual (1.5MB - 21/09/07) The installation manual for Marinex 3D in PDF. Marinex 3D User Manual (1.1MB - 21/09/07) The user manual for microSwitch Digital in PDF.