User manual PHILIPS VCM7A79/00T

[. . . ] 5 Camera position Focus adjustment Back-focus adjustment Camera sound on/off Outdoor use Using a different lens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 System cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Tips for maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] The length set must be the same as the length of the system cable (0-300m/900ft max. ) connecting monitor and camera. Remark: If the length of the system cable is more than 200m/600ft, a mains power adapter (optional should be used (the max. Connect the adaptor to the mains and to the external supply socket (7) at the back of the camera. 7 Focus adjustment · Adjust the focus ring of the camera lens to obtain optimal image sharpness. Remark: If still no sharp object image is obtained, you should adjust the back-focus of the camera. 1 R< FA Back-focus adjustment · · · · · Caution: Back-focus adjustment is only necessary when no sharp object image is obtained with the focus adjustment ring. CL 66610005_304B. AI Aim the camera at an object at least 15 metres/45 feet away. Remark: When bright light sources are positioned within thecamera view field; dim the light source. Rotate the lens, including the CS-mount ring, until the video image on the monitor is sharp. Tighten the back-focus locking ring (2), while keeping the lens in place. 1 2 > NEAR R< FA > NEAR 3 CL 66610005_305. AI Camera sound on/off Use switch (9) to enable or disable the built-in camera microphone. Outdoor use The camera switches to specific settings optimised for outdoor use when connecting an auto-iris lens. For outdoor use a protective cover has to be used to protect the camera. 9 On Off CL 66610005_306. AI 8 Using a different lens The CS-mount of the camera allows you to use other lenses. The field of view (= covered area) of an 8mm lens is half of the field of view of the 4mm lens (see figure below). d V Horizontal field of view in meters (V) 4 2 0 0 2 4 6 8 Distance object to camera in meters (d) 8 mm 10 CL 66610005_308A. AI Perform the following steps to change a lens: · Point the camera downwards. This to minimize possible deposit of dust on the inside of the camera when the lens is removed. 1 Do not release the back-focus locking ring (2), otherwise you may have to readjust the back-focus of the camera. Caution: Never touch the CCD sensor which is located 2 at the inside of the camera. [. . . ] 48dB at 200-25000 lux, 25°C range 2500-6500K RJIIE plug Built-in, can be switched off at the camera. 300-3000Hz The camera automatically synchronises to the system monitor. 24VDC, when the system-cable length exceeds 200m/600ft a poweradapter (24VDC, current limit 500mA) is required (available as accessory) 3W max. [. . . ]