Sony HDC-P31 - ND Offset Adjustment; White Balance Correction

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5-5. ND Offset Adjustment
5-5-1. White Balance Correction
Equipment: Waveform monitor (R, G, B)
Test Point: SDI 1 connector
Object: Grayscale chart
Preparation
• Setting for the MSU
AUTO IRIS button → ON (lit)
MASTER GAIN → 0 (0 dB)
• Shoot the grayscale chart so that it is aligned with the under scanned monitor frame.
• Lens iris: F4 to F5.6
• A = 600 ±20 mV
If the lens aperture is greater than F5.6, adjust the light amount with the shutter.
Procedure
1. Set each button on the MSU as follows.
• FILTER CONTROL button → ON (lit)
• ND1 button → ON (lit)
2. Operate the control panel of MSU, and perform the automatic white balance adjustment.
WHITE button → ON (lit)
After the adjustment is completed, the message “AWB: OK” is displayed.
3. Set each button on the MSU as follows.
• ND2 button → ON (lit)
• MASTER GAIN → 0 (0 dB)
4. Operate the control panel of MSU, and perform the automatic white balance adjustment.
WHITE button → ON (lit)
After the adjustment is completed, the message “AWB: OK” is displayed.
5. Set each button on the MSU as follows.
• ND3 button → ON (lit)
• MASTER GAIN → 0 (0 dB)
6. Operate the control panel of MSU, and perform the automatic white balance adjustment.
WHITE button → ON (lit)
After the adjustment is completed, the message “AWB: OK” is displayed.
7. Set each button on the MSU as follows.
• ND4 button → ON (lit)
• MASTER GAIN → 6 (6 dB)
8. Operate the control panel of MSU, and perform the automatic white balance adjustment.
9. Set each button on the MSU as follows.
• ND5 button → ON (lit)
• MASTER GAIN → 12 (12 dB)
10. Operate the control panel of MSU, and perform the automatic white balance adjustment.
WHITE button → ON (lit)
After the adjustment is completed, the message “AWB: OK” is displayed.
A