Download 990 Uniden Cordless Telephone PDF manuals. User manuals, Uniden Cordless telephone Operating guides and Service manuals. DECT 6.0 Portable Station. Thank you for purchasing a Panasonic DECT 6.0 Portable Station. Please read this manual carefully before using this product and save this. Manual for future use. Please use only the battery provided and charge the battery for about 7 hours. Before using the handset for the first time. UNIDEN CORDLESS TELEPHONES UU683BH(DCX150) OM0807.indd 1 8/7/2008 11:37:53 AM. This handset is compatible with Uniden's.9 GHz DECT 6.0 Expandable phone system: the DECT 500, DECT 000. To register to a DECT 1500 series base with no corded handset: Place the accessory handset in the base. While the handset.