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