Hitachi DK-Z50, Руководство по эксплуатации

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11
White and black balance adjustment
Auto black balance error messages
When auto black balance adjustment fails, the following error messages appear on the screen for about 6
seconds.
Message Cause Correction
AUTO BLACK:NG
CHANGE TO CAM
TRY AGAIN The color bar signal is output. Press the D button to turn off the color
bar signal.
AUTO BLACK:NG
IRIS NOT CLOSED
TRY AGAIN
The Iris is not closed. See Note 1.
AUTO BLACK:NG
???
TRY AGAIN
Range is exceeded, cannot adjust. See Note 2.
Note1
y
Observe that the lens connector is engaged and the iris is closed.
y
The iris closes automatically to block the light during black balance adjustment.
y
During black balance adjustment, the gain circuit is switched automatically.
y
Although flicker or noise may appear on the screen, these are not malfunctions.
Note2
y
The lens iris is automatically closed during black balance adjustment. If the iris control is manual,
open the iris after adjustment.
y
Check the lens connection. If ok, fault is in the lens or the camera. Consult service.