What is the optimum distance for a person sitting using the Cisco TelePresence System
500?

A.
1.2 meters and 1.8 meters (4 and 6 feet)

B.
3.0 and 5.0 meters (10 and 15 feet)

C.
0.5 meters and 0.75 meters (1.5 and 2.5 feet)

D.
the camera can adjust automatically