Toshiba IK-TU40A - Manual (Page 13)

Push the [MENU UP] button for approx. 1 second.
When the automatic shading correction operation starts, the character SHD blinks.
When the automatic shading correction operation terminates, the character SHD ends
blinking and the result is displayed for approx. 1 second.
Display Meaning
SHD OK Automatic shading correction operation terminates correctly.
SHD LIMIT
Automatic shading correction operation terminates.
However, the most proper value cannot be selected in the
correction value range. So the value is set to the most proper
value within the correction range.
SHD NG
LEVEL NG
Automatic shading correction cannot be performed because
the video level is too high or too low.
Set the video level properly.
SHD NG
NOT AVAILABLE
Automatic shading correction operation cannot be performed
because the shutter speed mode is the 1 pulse mode or the
long period exposure mode.
The automatic shading correction is effective when the lens iris or zoom ratio is fixed.
Use the camera with SHADING OFF for variable lens conditions.
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