When we buy new device such as Aiphone GF-1DK we often through away most of the documentation but the warranty.
Very often issues with Aiphone GF-1DK 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 Telephone Aiphone GF-1DK is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Telephone on our side using links below.