5-21
BVP-500
BVP-500P
5-16. Gamma Correction Adjustment
Equipment
: Waveform monitor,
Vectorscope
Test Point
: MONITOR connector
Object
: Grayscale chart
Preparations:
• Connect the waveform monitor to the MONITOR
connector.
• Connect the waveform monitor to the PIX OUT terminal
of the vectorscope.
• KNEE OFF button/MSU operation panel
→
OFF (Lights)
• GAMMA OFF button/MSU operation panel
→
ON
(Stays out)
• S650 (MONITOR SELECT)/IF-538 panel
→
VBS
• Shoot the grayscale chart so that the chart frame is
aligned with the underscanned monitor frame.
Iris of the lens
: A = 100
±
2 IRE (for NTSC)
A = 700
±
14 mV (for PAL)
Adjustment Procedures:
1.
S650 (MONITOR SELECT)/IF-538 panel
→
VF
G button/rear panel
→
ON
2.
Adjust the master gamma. Proceed as follows.
MSU menu operation
:
• PAINT button
→
ON (Lights)
• Touch panel operation
∆ →
(Page 2/3)
→
Gamma
Adjustment Item
: Master
Specifications
: B = 55.5
±
2.0 IRE (for NTSC)
B = 420
±
14 mV (for PAL)
(Waveform Monitor)
3.
Close the lens iris.
4.
TEST 1 button/MSU operation panel
→
ON (Lights)
S650(MONITOR SELECT)/IF-538 panel
→
VBS
5.
Adjust the auto white balance.
WHITE button/MSU operation panel
→
ON (Lights)
6.
Adjust the R gamma. Proceed as follows.
MSU menu operation
:
• PAINT button
→
ON (Lights)
• Touch panel operation
∆
→
(Page 2/3)
→
Gamma
Adjustment Item
: R
Specifications
: Center the beam spot on the
vectorscope.
7.
Adjust the B gamma. Proceed as follows.
MSU menu operation
:
• PAINT button
→
ON (Lights)
• Touch panel operation
∆
→
(Page 2/3)
→
Gamma
Adjustment Item
: B
Specifications
: Center the beam spot on the
vectorscope.
8.
Repeat the steps 6 and 7 alternately, until the beam
spot is minimized on the vectorscope.
(For NTSC)
(For PAL)
(Vectorscope)
5-16. Gamma Correction Adjustment
R
M
G
C
Y
G
Y
L
B
R
M
G
C
Y
G
Y
L
B
Summary of Contents for BVP-500
Page 14: ...1 6 BVP 500 BVP 500P 1 3 Outside Dimentions 1 3 Outside Dimentions Unit mm ...
Page 22: ...1 14 BVP 500 BVP 500P ...
Page 120: ......
