Nd Offset Adjustment - Sony HDC1000 Maintenance Manual

3-5.

ND Offset Adjustment

When the filter disk unit is replaced alone, the correction
of white balance is required. Proceed as follows.
Equipment: Waveform monitor (R, G, B)
Test Point: SDI 1 connector (HDC1000/1500)
SDI connector (HDC1400/1550)
SDI 1 connector (HDCU1080)
Object: Grayscale chart
Preparations
. Shoot the grayscale chart so that the chart frame is
aligned with the underscanned monitor frame.
. Setting for MSU-900
AUTO button (Iris control block) → ON (lit)
. Iris of the lens: A = 600 ± 20 mV
Adjustment Procedure
1. FILTER CTRL button/MSU-900 → ON (lit)
2. Select the ND 1 filter.
ND 1 button/MSU-900 → ON (lit)
3. Adjust the white balance.
WHITE button/MSU-900 → ON (lit)
4. After the white balance adjustment is completed,
switch the filter from ND2 to ND5, and adjust the
white balance for each.
Set the GAIN for each ND filter as follows.
MASTER GAIN/MSU-900
. ND filter 2: 0 dB
. ND filter 3: 0 dB
. ND filter 4: 6 dB
. ND filter 5: 12 dB
3-22
OHB File Store
1. MSU menu operation:
. FILE button → ON (lit)
. Touch panel operation
2. When the store operation is completed, the message
"OHB File Stored" is displayed.
Setting after Adjustment
. MASTER GAIN/MSU-900 → 0 dB
A
[OHB|File] → [OHB|Store] → [Store]
HDC1000/V1(E)