Back Focus Adjustment; Protective Cover; System Connection - Bosch VC86775T Installation Instructions Manual

VC86775T & VC86785T | Installation Instructions
Focus adjustment
Adjust the focus ring (fig. B-l) of the camera lens to obtain an optimal
image sharpness.
Remark: If still no sharp object image is obtained, you should
adjust the back-focus of the camera.
Back-focus adjustment
CAUTION:
Back-focus adjustment is only necessary when no sharp
object image is obtained with the focus adjustment ring.
• Set focus adjustment ring to Far or Infinity (fig. B-2).
• Aim the camera at an object at least 15 metres/45 feet away.
Remark: When bright light sources are positioned within the
camera view field; dim the light source.
• Loosen the back-focus locking ring (fig. B-3).
• Rotate the lens, including the CS-mount ring, until the video
image on the monitor is sharp.
• Tighten the back-focus locking ring (fig. B-3), while keeping the
lens in place.

Protective cover

For outdoor use a protective cover (fig. A-10) (optional) has to be
used to protect the camera from rain and snow.

System connection

Connect the system cable to the output of the camera (fig. A-12).
Bosch Security Systems | 2004-07
EN | 5