Image display device and method for controlling the same

A display device, comprising:

• a display;
• a first external interface configured to be connected to a first external device;
• a second external interface configured to be connected to a second external device;
• and
• a controller configured to:
• display, on the display, an external source list menu including first connection port info, illation for identifying the first external interface and second connection port information for identifying the second external interface,
• detect a first connection signal indicating the first external device is connected to the first external interface or a second connection signal indicating the second external device is connected to the second external interface,
• if the first connection signal is detected indicating the first external device is connected to the first external interface, receive a first image content from the first external device, and display, the external source list menu, a first moving image obtained after receiving a first capture start signal until receiving a second capture end signal from a remote controller, wherein the first moving image is displayed on a first position corresponding to the first connection port information identifying the first external interface in the external source list menu, and
• if the second connection signal is detected indicating the second external device is connected to the second external interface, receive a second image content from the second external device, and display, on the external source list menu, a second moving image obtained after receiving a third capture start signal until receiving a fourth capture end signal from the remote controller, wherein the second moving image is displayed on a second position corresponding to the second connection port information identifying the second external interface in the external source list menu.