An electronic endoscope system has a video-scope, a video-processor, and a
liquid supply apparatus. The video-scope has a liquid transmitting tube
for spouting liquid from a tip of the video-scope, and is detachably and
electrically connected to the video-processor. The liquid supply apparatus
is electrically connectable to the video-processor, and has a container
for storing liquid and a liquid supplier that supplies the liquid in the
container to the liquid transmitting tube. A liquid jet performance member
for spouting the liquid is provided on the video-scope. A liquid jet
performance detector detects operational status of the liquid jet
performance member, and a liquid jet performance transmitter feeds a
control signal regarding the operational status of the liquid jet
performance member to the liquid supply apparatus. The liquid supplier
supplies the liquid in the container to the liquid transmitting tube in
accordance with the control signal.
