Toshiba IK-TU40A - Manual (Page 11)

ATW
(Automatic Trace
White balance)
AWB
(Automatic White
Balance)
MANU
(Manual White
Balance)
Features
Traces variations of
color temperature
and adjusts the
white balance
automatically.
Measurement
accuracy is higher
than ATW. This
mode is effective
when shooting
under less variations
of color tempera­
ture.
Artificial white
balance setting can
be set. The manual
adjustment is most
effective under
shooting condition
with no color
temperature
variation.
Notes
If an illumination is
low, white balance
may not be cor­
rected. When the
shutter speed is in
the 1 pulse or the
long period expo­
sure mode, ATW Is
not available.
When the shutter
speed is of the 1
pulse mode, AWB is
not available.
Adjustment Is
performed by
confirming with a
monitor or a vector
scope.
® AWB
• Set [WB] switch to AWB.
• Disable the color bar pattern or the characters by pushing the [DISP] button, if nec­
essary.
• Shoot a known white object entirely in the area set by the AWB menu (refer to the
item "7.2 (3.2) (b) Changing AWB measurement light area".} and push [DATA UP]
button for approx. 1 second.
• The character AWB blinks on the screen when the AWB starts.
• The character AWB ends blinking when the AWB finishes, and the result Is dis­
played for approx. 1 second.
Display Meaning
AWB OK Automatic white balance adjustment finishes correctly.
AWB NG
LEVEL NG
Automatic white balance adjustment cannot be performed
because the video level is too high or too low.
Set the video level properly.
AWB NG
C. TEMP LOW
Automatic white balance adjustment cannot be performed
because the color temperature is too low.
Change the illumination or use a color temperature conversion
filter.
AWB NG
C. TEMP HIGH
Automatic white balance adjustment cannot be performed
because the color temperature is too high.
Change the illumination or use the color temperature conver­
sion filter.
AWB NG
NOT AVAILABLE
Automatic white balance adjustment cannot be performed
because the shutter speed mode is 1 pulse mode.
AWB NG
Automatic white balance adjustment cannot be performed for
other reasons. Such as no white area is included in an object,
etc.
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