1. A terminal apparatus connected to a network camera, the terminal apparatus comprising: a display configured to display an image on a screen, the image being captured by the network camera in predetermined resolution; an input device configured to input an instruction for an enlargement of the image displayed on the screen of the display ; and a controller, when the instruction for the enlargement of the displayed image is input via the input device, configured to enlarge the image having the predetermined resolution, and to obtain from the network camera an image having a higher resolution than the predetermined resolution, the controller being further configured to display on the screen of the display an image enlarged based on the image having the predetermined resolution when obtaining from the network camera the image having the higher resolution, the controller, when the obtainment of the image having the higher resolution is completed, being further configured to display on the screen of the display an image enlarged based on the image having the higher resolution.