When we buy new device such as Sharp R-1900M we often through away most of the documentation but the warranty.
Very often issues with Sharp R-1900M 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 Microwave Oven Sharp R-1900M is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Microwave Oven on our side using links below.