Technical Service and Support Tools for Mitsubishi Electric Products sold in New Zealand. Access to TechView is only available to service providers with a BDT Trading Account or limited access for verified trade customers who have a relationship with Black Diamond Technologies Limited. Once verified you will get access to products that you service giving you the ability to diagnose faults, view service/parts/installation manuals, technical bulletins, piping/wiring guides, warranty procedures and associated documentation.