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Service Mode - Nokia 447PRO Service Manual

Chassis 447r 17" high resolution colour monitor
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4. Service Mode

Service Mode is needed for updating of the factory adjustments for timings listed in the chapter Pre-
set Display Modes. If there is no location in factory adjustment memory for display mode currently in
use, the adjustment affects the memory for user adjustments.
4.1. Grouping of the Adjustments
There are two groups of software adjustments in service mode:
-
Geometry set
-
Grey Scale adjustment set
The following table shows how the adjustments act in relation to the display modes.
Adjustment
Horizontal Centering
Vertical centering
Height
Width
Pincushion
Trapezoid
Orthogonality
Tilt
Moire
Pincushion balance
S correction
C correction
E/W corner
G2
Min contrast
Max contrast
R Blacklevel
G Blacklevel
B Blacklevel
R Amp
G Amp
B Amp
Common adjustments need to be adjusted only once. Separate adjustment must be performed for
every display mode to be stored.
Common for
Separate for
all Display
each Display
modes
mode
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
447R
Available in
Available in
User Mode
Service Mode
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
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