Manuals and User Guides for Panasonic KXTG5673B - Refurb 5.8GHz Cordless Phone,3 Handset,1x3,Digital Answering Device. We have 2 Panasonic KXTG5673B - Refurb 5.8GHz Cordless Phone,3 Handset,1x3,Digital Answering Device manuals available for free PDF download: Operating Instructions Manual, Installation Manual