Service Mode; Grouping Of The Adjustments - Nokia 447PRO Service Manual

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
17