Adjusting The Black Set - Sony BVP-900 Series System Manual

4-4 Black Adjustments

4-4-2 Adjusting the Black Set

Adjust the black set so that the R, G, and B channels
have the same reference black level.
1
Press and light the MAINTENANCE button.
The Maintenance menu appears on the display.
2
Press [Adjusting].
The Maintenance adjusting item menu now
appears (see the previous section).
3
Press [Black Set] of the Maintenance adjusting item
menu to set it to inverse video.
The lower half of the display becomes the Black
Set adjustment display.
4
Set [Black Set] of the submenu in inverse video and
adjust the levels for, R, G, and B with the three left
control knobs.
When you press [Black] of the submenu to set it to
inverse video, the display switches to the Black
adjustment display to permit you to adjust the black
balance. (See "4-4-3 Adjusting the Black Balance.")
To turn on/off Gain Bounce mode
Press [Gain Bounce] to set it to inverse video to turn
on/off Gain bounce mode for adjustments with a
certain interval at 0 dB or 9 dB.
Be sure to turn off the mode when you finish the Black
Set adjustment.
Automatic adjustment of the black set
When you press [ABB] of the adjustment display, the
black set is automatically adjusted simultaneously with
the black balance (Black auto setup).
You can also execute the Black auto setup using the
4-36
Chapter 4 Adjustments
Use the menu operation block of the MSU-700A/
750 for the adjustment and proceed as follows.
Maintenance menu
MODE
Maintenance Menu
Adjusting CAM SW
Setting
MULTI Lens VCS
Adjusting Adjusting
CARD
CONFIG
1
MAINTENANCE
FILE
PAINT
Maintenance adjustment item menu and
Black Set adjustment display
Clear
VBS Camera
Phase
Level Output
Black White
BlackSet
Shading
Shading
Black Set
BlackSet
Black
R G
3 18
Black adjustment display
Clear
VBS Camera
Phase
Level
Output
White
Black
Black Set
Shading
Shading
Black
Black Set Black
R G
1 1
Auto Setup menu of the MSU-700A/750 or the AUTO
SETUP block of the MSU-700A/750 or the RCP-700-
series panels.
For details, see "4-19 Auto Setup."
2
Auto
Setup
Example:
MSU-700A
Home
SDI
Output
1
1
OHB
Matrix
Gain
Bounce
B
-66
Home
SDI
Output
1
1
OHB
Matrix
ABB
B Master
-8 7