Optiview TRKPTZ -26NX - Manual (Page 7)

Auto Zooming Tracking Dome Camera User Manual
6

Focus can be manually controlled via keyboard or
matrix, please refer to control keyboard or matrix operation
manual for detailed operation.

When on manual focus status, operations such as
adjusting positions or preset setting will resume the camera to
auto focus status.
The camera will not auto focus in the following status.

Target is not in the center of image.

Targets are in near and far at the same time.

Target is of strong light object. Such as spotlight etc.

Target is behind the glass with water drop or dust.

Target moves too fast.

Target is too big, such as wall.

Target is too dark or vague.
c. Iris control
System defaults AUTO IRIS. Camera can adjust immediately
according to the alteration of back ground illumination to get a
steady image.
Users may adjust Iris manually by using a controller to get
required image quality.
Users can call back AUTO IRIS by moving the joystick.
(7) Auto Back-light Compensation
Lens has been divided to six areas for back light
compensation. In a strong light background, camera will auto
compensate the darker object and adjust light input from the
lighter area to avoid a mass image that usually presents a sharp
contrast of brightness and darkness.
(8) Auto White Balance