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7-2 White balance setting
This is the function to adjust ODD/EVEN levels and to achieve white balance.
White balance should be adjusted before executing FFC function.
<Setup steps>
The gain position can be specified in white balance setting.
The gain values are set in the specified gain position.
pwb_tg=0 <CR> To set the analog gains of all RGB channels to minimum.
Minimum value = 1
pwb_set <CR> To achieve a white balance .
pwb_tg=N <CR> To set the target level of white balance.
Default value =180 N : 0 to 255
Take a defocused image of a surface of a plain white paper.
Check if it is not fogged by halation for each RGB line.
Use the stable illumination light source.
pwb_set <CR> To start to achieve a white balance.
Completed when “OK” is displayed.
save <CR> To save the settings into EEPROM.
Completed when “OK” is displayed.
<Confirmation of settings>
cfg <CR> To get the internal settings of the camera.
↑
Settings
b
efore achieving a white balance.
Settings in gain position1 will be changed in this case.
White balance is achieved according to the above <Setup steps>.
cfg <CR> To get the internal settings of the camera.
Check if the gain values in the specified gain position has been definitely changed.
2 55
0
2 55
0
25 5
0
R ED
G R EEN
B LU E
2 55
0
2 55
0
25 5
0
R ED
G R EEN
B LU E
Ti me
Si gnal l evel
( Bef or e cha ngi ng t he set ti ng)