e-STUDIO202S ADJUSTMENTS 9 - 6
4. Automatic black level correction
a. Cases when the adjustment is required
1) When the main PWB is replaced.
2) When the EEPROM in the main PWB is replaced.
3) When "U2" trouble occurs.
4) When repairing or replacing the optical section.
b. Adjustment procedure
Used to acquire the black level target value used for the black level
adjustment of white balance.
When SIM 63-02 is executed, the current correction value is dis-
played in 3 digits of 12bit hexadecimal number.
Place the gray gradation chart (KODAK GRAY SCALE) used as
the correction document so that the density 10 (black side) comes
on the left side and that the chart is upside down at the center of
the plate left center.
When START key is pressed, the mirror base unit scans the chart
and calculates the correction value.
After completion of correction, the corrected value is displayed on
the display section.
∗ Default: 0x60
Chart back surface
10
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