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How to Attain Better Images
Black Balance Adjustment
Adjust black balance to provide proper color tone at a dark part of video image. In the following cases, be
sure to carry out black balance adjustment (AUTO BLACK).
•
When using the camera first after purchasing it.
•
When using the camera after it has been unused for a long time.
•
When the camera operating environment is changed (e.g., when the ambient temperature varies
significantly).
•
Please carry out AUTO BLACK always in the case that it is changed to the different length of camera
cable.
Under normal condition, it is not required to make black balance adjustment at power-on.
1. In the menu mode, carry out automatic black balance adjustment. At the end of successful adjustment
AUTO BLACK:OK appears.
Notes: 1) In combinational use with the manual iris lens or microscope, a full-black screen image is
provided from the CCD image sensor during adjustment. When picturing after adjustment,
a white screen image appears momentarily. This phenomenon is not a symptom of trouble,
however.
2) In case that the manual iris lens is used, do not attempt auto black balance adjustment
while taking an image of subject having extremely high luminance such as the sun. This
may deteriorate black balance accuracy.
2. If black balance adjustment cannot be made, any one of the following messages will appear. Take a
proper procedure according to the error message, and then try black balance adjustment again.