Gamma Correction Adjustment; Knee Point/Knee Slope Adjustment - Sony HDC1000 Maintenance Manual

3-4-9. Gamma Correction Adjustment

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
. Setting for MSU-900
KNEE OFF button → OFF (lit)
GAMMA OFF button → ON (dark)
. Shoot the grayscale chart so that the chart frame is
aligned with the underscanned monitor frame.
. Iris of the lens: A = 700 ± 20 mV
A
Adjustment Procedure
1. Adjust the white balance.
WHITE button/MSU-900 → ON (lit)
2. MSU menu operation:
. PAINT button → ON (lit)
. Touch panel operation
(Page 2/3) → [Gamma]
Adjustment Item: R, G, B, Master
Specification: Adjust the cross points B of the
grayscale for preferred level for R,
G and B respectively.
To adjust all cross points for R, G
and B simultaneously, adjust them
using the Master.
HDC1000/V1(E)
B

3-4-10. Knee Point/Knee Slope Adjustment

Equipment: Waveform monitor (R, G, B)
Test Point: SDI 1 connector (HDC1000/1500)
SDI connector (HDC1400/1550)
SDI 1 connector (HDCU1080)
Preparations
. Setting for MSU-900
MASTER GAIN → +6 dB
TEST1 button → ON (lit)
KNEE OFF button → ON (dark)
Adjustment Procedure
1. MSU menu operation:
. PAINT button → ON (lit)
. Touch panel operation
(Page 2/3) → [Knee|Slope]
. Set Master to +99.
2. MSU menu operation:
. Touch panel operation
(Page 2/3) → [Knee|Point]
Adjustment Item: R, G, B Master
Specification: Adjust the levels A for preferred
level for R, G and B respectively.
To adjust all levels for R, G and B
simultaneously, adjust them using
the Master.
(Reference value: A = 686 mV)
A
3-19