EverFocus 520TVL - Manual (Page 12)

Installation Instructions
1) Remove the cap cover from the top of the lens mount.
2) To attach a C-mount/CS-mount lens, turn the focal length
adjustment ring to the appropriate position. Note: If a C-mount
lens is used, please make sure the focal length adjustment ring
is set at C position before fixing the lens.
a) Screw the lens firmly onto the lens mount. Insert the lens plug
in the lens connector if the auto iris lens is used.
b) Tighten the locking screw.
c) Connect the video output of the camera to a color monitor or
other video device through a 75 ohm type coaxial cable with
BNC female connector.
d) Plug the power cord to the outlet.
e) Once the image appears on the monitor, adjust the focus and
diaphragm of the lens to obtain the best picture.
f) If the subject is not in focus when adjusting focus of lens, do
focal length adjustment as following:
i) Loosen the locking screw of the focal length adjustment ring.
ii) Take picture of subject at a distance more than 20m away
from the camera.
iii) Rotate the focal length adjustment ring to bring the subject
in focus.
iv) Tighten the locking screw while the adjustment is completed.
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