My good friends bought a 97 sportcraft boat in florida from a broker boat is fine was pretty dirty and needed tlc but their problem is they have a manual marine toilet lots of valves and switches and dont know how to operate them or ever what they are for can anyone tell us where to get operating manual for this boat we dont know if potty goes to storage tank or out to sea the company that built this boat is out of business Im told : 
dw2880@comcast.net web page
dw2880@comcast.net web page