Health issues force Sale of all my fishing and boating stuff. Raytheon Marine Factory Product Support Manuals. Current the day they went out of business and closed the Merrimack, NH location. has all the info on all the products that were actually made by JRC. These were Not available to the general public. Not even available to Dealers! Include all the RADAR, Fish finders, GPS, LORANs Chart plotters. Just $100. for Volume I & II FREE Shipping in the USA. Can take Cash, US Postal Money Order or PayPal.