Toshiba CCD Monochrome Camera IK-539A - Manual (Page 7)

( 5. OPERATION PROCEDURE: )
(1) Before operation make sure the power source is correct for your camera.
(2) instali iens to the camera.
(3) Connect the VÍDEO output to the Video monitor. The picture wiii appear on the
monitor screen as the power is supplied to the camera.
(4) Adjust the focus and aperture of the lens to get a best quality image.
(5) Back focus adjustment:
In general, the back focus is calibrated in the factory. So readjustment is
unnecessary. But depending on your application, back focus readjustment may
be necessary. In this case, set the focus ring of the lens to the ^ position and
take a picture at a distance of 20m or more. Then, loosen the lens mount and
turn the lens and mount at the same time till the picture on the monitor is in
focus. Now, tighten the screws on the mount by hexagonal wrench.
(6) Line-Lock mode
When two or more cameras are switched by the video switcher for monitoring
on a TV monitor, the picture may fluctuate due to different AC line phase of
each camera. In this case, adjust the VERTICAL PHASE (on rear panel)
trimmer to get a stable picture.