mode) Custom (in Adjustment Balance White / Adjustment Balance Black 3 Chapter

3-3 Black Balance Adjustment

In order to maintain high picture quality when using the camera, it is necessary to set the black balance appropriately. After turning on the camera, apply power to the camera for several minutes, then be sure to perform the black balance adjustment before starting any picture adjustment.

Automatic black balance adjustment

Push the assignable switch 4/AUTO BLK BAL switch on the side of the camera or on the assistant panel down to the position AUTO BLK BAL then release it.

Automatic black balance adjustment is performed.

LOCK VF MENU/DISPLAY CANCEL/STATUS

RUN

4

 

 

AUTO

 

 

BLK

PAGE

SET

BAL

AUTO BLK BAL switch

During adjustment, “ABB: EXECUTING” is displayed on the viewfinder screen. When the adjustment process is completed successfully, the message “ABB: OK” is displayed.

Notes

•During black balance adjustment, ND is automatically set to 5 (CAP), and the iris is closed.

•During black balance adjustment, the gain switching circuit will work automatically, and the viewfinder screen will flicker several times. This is not a malfunction.

When automatic black balance adjustment fails

If the automatic black balance adjustment process does not end successfully, the error message “ABB: NG” will be displayed on the viewfinder screen for approximately three seconds.

If this error message is displayed, try black balance adjustment again.

If the error message continues to be displayed after several attempts, the camera requires internal inspection.

3-4 White Balance Adjustment (in Custom mode)

When the camera is used in Custom mode, if the lighting conditions change, readjust the white balance.

When adjusting the white balance, select the white balance memory. The adjustment value is fixed to 3200K when the preset memory is selected.

The selected memory can be confirmed with the status display on the viewfinder screen (page 39).

The memory selection can be made on the subdisplay or from a connected RM-B150/B750 Remote Control Unit.

Automatic white balance adjustment

1 Select the memory A, B, or C, using the subdisplay or the remote control unit (default: preset memory).

Memory C can be selected only when the Remote Control Unit is used,

For details on how to select on the subdisplay, see “3- 2-5 Selection of the Gain, Color Temperature, and White Balance Memory” (page 31).

2 Select the appropriate filter according to the lighting conditions, using the subdisplay or the assignable buttons.

See “3-2-4 Selection of the Filters” (page 30).

3 Place a white pattern in the same lighting conditions as the subject and zoom in on it so that a white area is obtained in the screen.

A white object (white cloth, a white wall, etc.) near the subject may be used in place of a white pattern.

The minimum white area required for adjustment is as illustrated below:

A rectangle centered in the screen. The length of the sides must be at least 70% of the height and width of the screen.

Within this rectangle, there must be an area of white greater than 10% of the entire screen.

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Black Balance Adjustment / White Balance Adjustment (in Custom mode)