When we buy new device such as Learning Resources LER 1761/1761-4 we often through away most of the documentation but the warranty.
Very often issues with Learning Resources LER 1761/1761-4 begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Toy Learning Resources LER 1761/1761-4 is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Toy on our side using links below.