Method of transmitting setting data, device, system and computer readable medium employing such method

摘要

A method of transmitting setting data from a terminal device to a plurality of target devices is provided. The method includes the steps of preparing new setting data to be set to the plurality of target devices, obtaining current setting data currently set to the plurality of target devices, respectively, storing the current setting data obtained from the plurality of target device in a memory device as backup data, and transmitting the new setting data to the plurality of target devices after the storing of the current setting data is finished.