Chapter
7.
System
diagnostics
This
section
describes
the
diagnostics.
Using
the
OSD
menu
The
OSD
menu
allows
you
to
adjust
the
display
settings
such
as
contrast,
brightness,
clock
phase,
and
image
position.
To
open
the
OSD
menu,
press
and
hold
the
minus
(−)
and
plus
(+)
buttons
at
the
same
time.
The
following
menu
appears:
Auto
Adjust
Manual
Adjust
Brightness
Contrast
Information
Reset
______________________________
(+)
Select
(-)
Scroll
(+&-)
Exit
Auto
Adjust
Automatically
adjusts
the
settings.
Use
this
option
when
you
install
the
display
and
at
other
times
when
image
quality
degrades.
Manual
Adjust
Allows
you
to
regulate
the
clock,
phase,
and
image
position.
See
“Using
Manual
Adjust”
on
page
7-2.
Brightness
Allows
you
to
regulate
the
display’s
brightness
setting.
Contrast
Allows
you
to
regulate
the
display’s
contrast
settings.
Information
Provides
the
current
screen
resolution,
the
horizontal,
and
the
vertical
sync
signal
frequencies.
Reset
Presents
Yes
or
No
dialogue
box
that
allows
you
to
reset
the
menu
settings
to
the
default
values.
Exiting
the
OSD
Menu
To
exit
the
OSD
menu,
press
the
minus
(−)
and
plus
(+)
buttons
at
the
same
time.
The
system
saves
your
values.
Exiting
through
time-out
The
OSD
menu
times-out
after
approximately
20
seconds
of
inaction.
The
system
does
not
save
the
settings.
©
Copyright
IBM
Corp.
1999,
2003
7-1
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