The owner's manual for the LCR 4000 can be found on the Humminbird.com website in pdf format.
The manual is available at the link below
http://www.humminbird.com/PDF/lcr4000.pdf
Deborah @ Humminbird
You can contact our customer service group and see if they still have a manual for this model. There number is 800-633-1468.
Joby @ Humminbird
752 views
Usually answered in minutes!
×