95
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
