Vista VK-C402DN, Инструкция по установке и эксплуатации

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1. If necessary, solder the lens control wires to the connector supplied with the camera.
2. Attach the video-type auto iris lens to the lens mount on the front of the camera.
3.
IMPORTANT: Plug the connector from the lens into the auto iris jack on the side of the
camera. The connector is polarized and can only be inserted into the jack one way.
4. Apply power to the camera.
5. The OSD AE menu in the lens select should be in the “VIDEO
↓ ”.
6. Adjust the focus ring on the lens for an optimum picture. If a picture is not visible, set the
lens for proper exposure by adjusting the ALC (Automatic Level Control) and the level on the
lens. The ALC setting can range between AVG (average) or PK (peak). A midrange setting
is appropriate for most applications.
For ALC adjustments: AVG To slow the reaction of the lens to changing light, set the range
to the AVG setting. Use when there are bright spots in the picture such as lights or glare
from the sun.
PK To increase the speed of the lens reaction to the changing light, set the lens adjustment
to PK so the lens will adjust to the brightest or peak object in the video. Use this setting if
you want to see the brightest object and not the background objects.
For Level adjustments: Adjust the level control for the best picture during the day. A night
adjustment may not provide the proper setting for controlling the light during the day.
7. Set the back focus of the camera before the final adjustment of the video level.
8. If the auto iris has a gain adjustment and the picture oscillates between open and closed
under bright lights, slowly turn the gain adjustment counter clockwise until the oscillating