5-1. Manual B/W balance adjustment
1). Operation instruction:
Press PROD button to enter into "B/W BALANCE" mode
and the first
adjustable item "sub-brightness" will turn up then. The OSD display of the
B/W balance adjustment covers one line on the top to reserve the central
space for camera lighting.
Press POS+/POS- to turn pages to find adjusting options. If adjusting-use remote
control unit is employed, press a single button can jump directly to the items
to be adjusted.
Press VOL+ or VOL- button to adjust the selected item.
Repeat step b) and c) till a satisfactory result is reached. Press PROD button to
quit.
2). Table of adjustable items:
OSD
DISPLAY
CORRESPONDING LA76810
BUS ITEMS
NAME RANGE
VARIABLE
S-BRI
Sub Brightness
Sub Brightness
0~127
R-BIA
Red Bias
Red Bias
0~255
G-BIA
Green Bias
Green Bias
0~255
B-BIA
Blue Bias
Blue Bias
0~255
R-DRV
Red Drive
Red Drive
0~127
G-DRV
Green Drive
Green Drive
0~15
B-DRV
Blue Drive
Blue Drive
0~127
C.B/W
Cross B/W
Internal signal
0~3
3). During maintenance, one light line can be used to adjust black balance roughly.
In "B/W BALANCE" mode press MUTE button to enter into one light line
mode press MUTE button again will return to full screen mode. In light
line mode the picture status will be set to "FACTORY1" mode i.e., all the
output values on the picture menu are "0" When full screen returns, the
picture status will be set to "FACTORY2" mode, i.e., setting values of
brightness and contrast are "100" while the other settings in the picture
menu are "0".
In "LINE MODE", besides MUTE button, the following eight buttons on user's
remote control unit will work, with their functions changed as follows.
Other buttons will not work.
BUTTON 1
3
5
7
FUNCTION
Sub brig
Red bias +
Green bias +
Blue bias +
BUTTON 0
2
4
6
