A method for controlling an information apparatus, the information apparatus having a touch panel display and being connected to a network, an electric shutter device being controlled over the network, the electric shutter device being capable of opening and closing a shutter (220, 230) through a remote operation, the method causing a computer of the information apparatus to: display an operation icon on a display screen of the information apparatus, the operation icon causing an operation screen for the electric shutter device to be displayed; display the operation screen for the electric shutter device when selection of the operation icon is sensed, the operation screen including a shutter image (412, 421) representing the shutter (220, 230) of the electric shutter device; and when a swipe operation is sensed on the operation screen, output to the network a distance control command for moving the shutter (220, 230) of the electric shutter device in a swipe direction of the swipe operation, in accordance with an amount of movement in the swipe direction of the swipe operation; and when the swipe operation is sensed on the operation screen to output the distance control command to the network, display of the shutter image (412, 421) on the operation screen is varied to an image in which the shutter (220, 230) of the electric shutter device is moved in accordance with the amount of movement in the swipe direction of the swipe operation, the shutter image (412, 421) on the operation screen being moved for a distance matching an operation distance of the swipe operation, positional information indicating a position of the shutter (220, 230) of the electric shutter device is received via the network, state information representing a position of an end portion of the shutter (220, 230) of the electric shutter device is displayed as overlapped on the shutter image (412, 421), in a region corresponding to the shutter image (412, 421) in accordance with the received positional information. display an operation icon on a display screen of the information apparatus, the operation icon causing an operation screen for the electric shutter device to be displayed; display the operation screen for the electric shutter device when selection of the operation icon is sensed, the operation screen including a shutter image (412, 421) representing the shutter (220, 230) of the electric shutter device; and when a swipe operation is sensed on the operation screen, output to the network a distance control command for moving the shutter (220, 230) of the electric shutter device in a swipe direction of the swipe operation, in accordance with an amount of movement in the swipe direction of the swipe operation; and when the swipe operation is sensed on the operation screen to output the distance control command to the network, display of the shutter image (412, 421) on the operation screen is varied to an image in which the shutter (220, 230) of the electric shutter device is moved in accordance with the amount of movement in the swipe direction of the swipe operation, the shutter image (412, 421) on the operation screen being moved for a distance matching an operation distance of the swipe operation, positional information indicating a position of the shutter (220, 230) of the electric shutter device is received via the network, state information representing a position of an end portion of the shutter (220, 230) of the electric shutter device is displayed as overlapped on the shutter image (412, 421), in a region corresponding to the shutter image (412, 421) in accordance with the received positional information.