Patent ID: 8284244

Claim:
A signal processing system comprising: a signal processing unit including: a video signal processing section for processing an image-pickup signal obtained by an image-pickup section picking up a subject image and generating a video signal displayable on a display section; and a light source for supplying illumination light for illuminating the subject; a control section for controlling, based on a setting value, operation of at least one of an internal circuit of the image-pickup section, an internal circuit of the video signal processing section, and an internal circuit of the light source; a setting value changing section for changing the setting value; a log recording section for recording change history of the setting value as log data; a data sending section for sending the log data to an external instrument via a network; and a command receiving section for receiving a control command which is based on the log data from the external instrument via the network, wherein the control section controls the setting value changing section based on the control command received from the external instrument.