4.8 Service mode
SCALER TEST SUB MENU
This menu contains no parameters, but provides feedback about whether the LCD
display is overheated, and whether DVI has been detected.
The Test Patterns item also opens a submenu where you can show test pictures for
investigating possible dead points on the screen.
In the Test Patterns menu, the interactions are as follows:
The up/down arrow switches between the two colour screens – when they are on,
and also when you scroll between them in the Test Patterns menu.
Use
GO
or
WIND
or
REWIND
to activate and deactivate the colour screens.
SCALER STATUS:
DISP OVERHEATED
[LOW, HIGH]
DVI DETECTED
[NO, YES]
TEST PATTERNS
WHITE
GREY 25%
GREY 50%
GREY 75%
BLACK
RED
GREEN
BLUE
YELLOW
MAGENTA
CYAN
GEOMETRY ADJUSTMENTS LCD
There are only four parameters for adjusting the size and position on the screen.
HOR SIZE
from 0-2000
VERT SIZE
from 0,2,4..2000
HOR POSITION
from 0-2000
VERT POSITION
from 0-2000
Note that V.Size is special in that it can only accept even values.
SOUND ADJUSTMENTS MENU
AVC (= Automatic Volume Control) can be switched off in this menu in order to
carry out sound measurements without the corrections performed by the AVC
function.
It is possible to set the maximum volume.
FACTORY SETTINGS:
AVC
[ON-OFF]
MAX VOLUME LIMIT:
MAX VALUE: between 65 and 90
AC3 SW: shows the version of the software
ABO-CENTER
v/HENRIKSENS
ELEKTRONIK
