The Deus Handbook by Andy Sabisch

Despite being a relative newcomer to the ranks of metal detector manufacturers, XP Metal Detectors, headed by Alain Loubet and supported by his talented team, has earned the reputation of producing high-quality, state-of-the-art equipment that finds what other detectors can't! This handbook contains the information that will help you quickly master XP's flagship detector - the Deus - and includes input provided by experienced detectorists from around the world as well as the XP team itself.