Gamma Adjustments; Selecting The Step Gamma; Adjusting The Gamma Level - Sony BVP-900 Series System Manual

4-7 Gamma Adjustments

4-7-1 Selecting the Step Gamma

You can select the gamma among from 0.35 to 0.9 at
steps of 0.05.
To select from MSU-700A or RCP-740/741
Use the gamma control block. The operation is the
same for the MSU-700A and RCP-740/741.
Gamma control block
GAMMA
Press either GAMMA 4 or $ button until the desired
gamma value appears on the display.
The gamma value decreases when the 4 button is
pressed and increases when the $ button is pressed. It
continuously changes when either button is kept pressed.
The lower the value, the higher the gamma effect.
To select from the MSU-750
Use the Function menu and proceed as follows.
2
MODE
MULTI
Operation
CARD
Ctrl ND
CONFIG
CC
Shutter
MAINTENANCE
Shutter
1
2000
FILE
PAINT FUNCTION
1
Press the FUNCTION button to display the
Functino menu.
2
Press [Operation] to set it to inverse video.
3
Turn the second right control knob or press 4 or $
to select the desired gamma value.
The selected gamma value appears on the
GAMMA display.
When using the MSU-700A/750, you can also select
the gamma in three steps (0.40, 0.45, 0.50) on the
Gamma adjustment display or the spread menu of the
Paint menu.
4-56
Chapter 4 Adjustments
Exit
SW
1 2 3 4 5
A B C D E
ECS
ECS Gamma Master Gain
30.0 0.45 0dB
3

4-7-2 Adjusting the Gamma Level

Adjust the gamma curve in a range of 0.35 to 0.90
times.
Input level
Independent R, G, B and Master adjustments can be
made on the menu operation block of the MSU-700A/
750 and R, B and Master adjustments can be made on
the paint control block of the RCP-720/721/730/731/
740/741.
To turn off the gamma
When using the MSU-700A or RCP-730/731, you can
turn off the gamma with the GAMMA OFF button.
Press and light the GAMMA OFF button to turn off
the gamma regardless of the gamma value setting.
When you use the gamma, check that the GAMMA
OFF button is dark.
Example:
GAMMA OFF button
MSU-700A
KNEE DETAIL LVLDEP GAMMA CHROMA
OFF OFF OFF OFF
KNEE KNEE
APERTURE SAT
5600K AUTO SKIN DETAIL SATURATION CONTRAST
KNEE DETAIL GATE
You can also turn it off the adustment display of the
Paint menu of the MSU-700A/750.
With the MSU-750, you can also turn it on and off by
pressing [Gamma Off] on page 2 by selecting [SW] on
the Function menu.
For the Function menu of the MSU-750, see page 4-31.
Note
When you turn off the gamma, the black gamma is
also turned off.
Gamma OFF
0.35 to 0.90
MATRIX
OFF OFF
MONO COLOR
COLOR CORRECT
BLACK CHARACTER
GAMMA