A data transmission apparatus that can transmit data and receive at least a destination of the data from an external apparatus, the data transmission apparatus comprising:
- a reader configured to read an image of an original;
- a network interface configured to transmit image data of the read image;
- a display configured to display a setting screen including a display field for at least the destination of the data;
- a receiver configured to receive the destination displayed in the display field from the external apparatus;
- and
- a controller configured to perform control such that the display is turned on based on receipt of the destination and that the setting screen where the destination is input in the display field is displayed.