Lenovo 43R8770 User Guide - Page 20

Adjusting, Video, Settings

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Adjusting Video Settings For either the Mirror mode or the Extended mode, you can adjust one or more of the following video settings. In the Mirror mode, the settings apply to both your notebook computer monitor and the external monitor; in the Extended mode, you can set separate settings for your notebook computer monitor and the external monitor: v Resolution: refers to the number of pixels displayed on your screen horizontally and vertically. A higher resolution means that you can see more of your image on the screen without scrolling or panning. v Color depth: defines the number of different colors that can be shown on the screen at the same time. The greater the color depth is, the better the picture quality is. v Refresh rate (also called vertical frequency): measures the speed that the entire screen is rescanned. Higher frequencies reduce flicker because they light the pixels more frequently, thereby reducing the dimming that causes flicker. The table below displays the list of refresh rates supported at various resolutions and color depths for the USB Port Replicator video output: Resolution 640 X 480 800 X 600 1024 X 768 1280 X 768 1280 X 800 1280 X 960 1280 X 1024 1366 X 768 1440 X 900 1400 X 1050 16 bit color depth 60, 72, 75 56, 60, 72, 75, 85 60, 70, 75, 85 60, 75, 85 60, 75, 85 60, 85 60, 75, 85 60 60 60, 75, 85 Supported Refresh Rate 32 bit color depth 60, 72, 75 56, 60, 72, 75, 85 60, 70, 75, 85 60, 75, 85 60, 75, 85 60, 85 60, 75 60 60 60, 75, 85 To set up your video settings, follow the instructions below: 1. On your notebook computer, right-click the Lenovo Enhanced USB Port Replicator icon in the system tray to activate the user window for configuring the settings of the video output of the USB Port Replicator. 2. To change video modes, select the Extended or Mirror mode: Click Extended to configure the external monitor in the Extended mode. The default setting for the Extended mode positions the external monitor on the right side of the primary display. Note: a. The primary display corresponds to the notebook computer display unless it is configured differently through the Display Properties window of the operating system. b. In the Extended mode, you can select the position of the external monitor in relation to your notebook computer display by clicking Extend to and making a selection from the displayed menu. c. In the Mirror mode, you cannot modify the resolution of the external monitor. The resolution is automatically selected to better match the display resolution of the notebook computer connected to the USB Port Replicator. To change the screen resolution of the notebook computer, click Advanced to activate the Display Properties window of the operating system. 10 Lenovo Enhanced USB Port Replicator User's Guide

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Adjusting
Video
Settings
For
either
the
Mirror
mode
or
the
Extended
mode,
you
can
adjust
one
or
more
of
the
following
video
settings.
In
the
Mirror
mode,
the
settings
apply
to
both
your
notebook
computer
monitor
and
the
external
monitor;
in
the
Extended
mode,
you
can
set
separate
settings
for
your
notebook
computer
monitor
and
the
external
monitor:
v
Resolution
:
refers
to
the
number
of
pixels
displayed
on
your
screen
horizontally
and
vertically.
A
higher
resolution
means
that
you
can
see
more
of
your
image
on
the
screen
without
scrolling
or
panning.
v
Color
depth
:
defines
the
number
of
different
colors
that
can
be
shown
on
the
screen
at
the
same
time.
The
greater
the
color
depth
is,
the
better
the
picture
quality
is.
v
Refresh
rate
(also
called
vertical
frequency):
measures
the
speed
that
the
entire
screen
is
rescanned.
Higher
frequencies
reduce
flicker
because
they
light
the
pixels
more
frequently,
thereby
reducing
the
dimming
that
causes
flicker.
The
table
below
displays
the
list
of
refresh
rates
supported
at
various
resolutions
and
color
depths
for
the
USB
Port
Replicator
video
output:
Supported
Refresh
Rate
Resolution
16
bit
color
depth
32
bit
color
depth
640
X
480
60,
72,
75
60,
72,
75
800
X
600
56,
60,
72,
75,
85
56,
60,
72,
75,
85
1024
X
768
60,
70,
75,
85
60,
70,
75,
85
1280
X
768
60,
75,
85
60,
75,
85
1280
X
800
60,
75,
85
60,
75,
85
1280
X
960
60,
85
60,
85
1280
X
1024
60,
75,
85
60,
75
1366
X
768
60
60
1440
X
900
60
60
1400
X
1050
60,
75,
85
60,
75,
85
To
set
up
your
video
settings,
follow
the
instructions
below:
1.
On
your
notebook
computer,
right-click
the
Lenovo
Enhanced
USB
Port
Replicator
icon
in
the
system
tray
to
activate
the
user
window
for
configuring
the
settings
of
the
video
output
of
the
USB
Port
Replicator.
2.
To
change
video
modes,
select
the
Extended
or
Mirror
mode:
Click
Extended
to
configure
the
external
monitor
in
the
Extended
mode.
The
default
setting
for
the
Extended
mode
positions
the
external
monitor
on
the
right
side
of
the
primary
display.
Note:
a.
The
primary
display
corresponds
to
the
notebook
computer
display
unless
it
is
configured
differently
through
the
Display
Properties
window
of
the
operating
system.
b.
In
the
Extended
mode,
you
can
select
the
position
of
the
external
monitor
in
relation
to
your
notebook
computer
display
by
clicking
Extend
to
and
making
a
selection
from
the
displayed
menu.
c.
In
the
Mirror
mode,
you
cannot
modify
the
resolution
of
the
external
monitor.
The
resolution
is
automatically
selected
to
better
match
the
display
resolution
of
the
notebook
computer
connected
to
the
USB
Port
Replicator.
To
change
the
screen
resolution
of
the
notebook
computer,
click
Advanced
to
activate
the
Display
Properties
window
of
the
operating
system.
10
Lenovo
Enhanced
USB
Port
Replicator
User's
Guide