Humminbird had a two Series of VHF products between 1991 and 2010. They were the DC and VHF Series.
The electronic version of these operation manuals can be found at the following link. In the Fishfinder section, scroll down to Other/Miscellaneous section. Unfortunately, we no longer have printed versions of these manuals.
Due to the age of these products and the numerous changes in FCC requirements, we no longer sell or repair these products. In addition, we no longer offer any accessories for these models.
Products previously in these Series were the:
DC 5 S US