HP OmniBook 4000C/CT Familiarization Guide This guide is for experienced HP Response Center personnel, CEs, and reseller technicians, such as personnel who have already completed the HP Vectra PC family training course, or equivalent, and have at least six months of experience servicing the HP Vectra PCs. It is a self-paced guide designed to train you to install, configure, and repair the OmniBook Notebook PC. You can follow it without having any equipment available.