Photographing apparatus, control method for lens barrel of photographing appartus, printer, control method for printer, and printing system

摘要

In this photographing apparatus, when it is recognized that communication with an external device is possible, the operating mode is set to the communication mode, in which communication can be carried out with the external device. Once there is communication connection with the external device, signals to change the mode from the mode selecting device, which directs the operating mode of the photography apparatus, are ignored, and a shift from the communication mode to another mode is prohibited.