White Balance - Omron F400 - 06-1999 Operation Manual

White Balance

5-1 White Balance
Depending on the environment or the kind of light, the image read by the Camera may
appear tinted, even if it is white.
For correct measurement, the sensitivity of R.G.B. must be adjusted so that the
image will really appear in white in accordance with the light source. This is called the
adjustment of white balance.
Note Adjust the white balance before setting the light and adjusting the image.
1. Move the cursor to SYS/White balance , and press the ENT Key.
2. Take an image of a white object (e.g., white paper), and adjust the brightness at
TRIG:Set
3. When the Check: OK message is displayed, press the TRIG Key to complete the
Note Press the SHIFT + TRIG Keys to return to the default setting.
96
The White Balance Window will be displayed.
White balance
Communications settings
Output
Backup
Display settings
Set key operation
Startup mode
Error method
Version
the center of the screen.
The adjustment result is displayed in the upper-right corner of the screen. If the
intensity at the center of the screen is at a suitable level for the white balance, the
message Check: OK will be displayed. Adjust the lighting until this message
appears.
If Check: Under is displayed, adjustment cannot be performed because the
image is too dark. Either increase the level of illumination or widen the aperture of
the Camera.
If Check: Over is displayed, adjustment cannot be performed because the image
is too bright. Either decrease the level of illumination or reduce the aperture of the
Camera.
White balance
operation. The display will return to the window displayed in step 1.
1
Adjustment result
Check: OK
Section 5-1
— Filter/Pickup —
2