LG MT-44NA21 Owner's manual

LG MT-44NA21 Owner's manual
Projection
Monitor
for Educational
OWNER'S MANUAL
Please read this manual
carefully
before
operating your
set.
Retain it for future reference.
Record model number and serial number of the set.
See the label attached
on
the back
information to your dealer when you
Model number
:
Serial number
:
P/NO
:
3828VA0297C
(MP015B)
cover
and
require
quote this
service.
Contents
Installation
2
Location and function of controls
3
Front
Basic
panel
4
operation
On and off
Volume
adjustment
Mute function
On
4
screen menus
Menu selection
Connection of external
PC
Input
5
equipment
/ Audio in sockets
Troubleshooting
check list
6
Installation
Power
Connection
This set operates on an AC mains supply, the voltage is as indicated on the label on the back cover.
Connect the PC and AUDIO cable
Never
apply DC power
thunderstorms
or
aerial and mains
to the set. In the event of
powercuts, please pull
(not supplied)
the socket marked PC INPUT and AUDIO
on
the back
to
(L) (R)
cover.
out the
plugs.
Location
Warning
Care should be taken not to expose the set to any
unnecessary vibration, moisture, dust or heat.
To prevent fire or shock hazard, do not expose the
set to rain or moisture.
Also
ensure
allow
a
that the set is
openings on the
Do not place the
as
Service
Never
remove
the back
does not operate
dealer.
2
the casters
it to
cover
of the set. If the set
properly, unplug
it and call your
placed
free flow of air. Do not
move
back
in
cover
a
position
cover.
set on a
sloping
or
unstable
the bottom of the set may
and to be damaged.
on
to
the ventilation
area
cause
Location and function of controls
Front
?
panel
MT-54/44NA21 series
MUTE
4
MENU
5
VOL
OK
6
VOL
AUX
7
2
MUTE
MENU
VOL
OK
VOL
AUX
ON/OFF
3
ON/OFF
1
1.
MAIN POWER
(ON/OFF)
switches the set
2.
Φ
/
on or
Γ
(Volume Up/Down)
adjusts the volume.
adjusts menu settings.
Δ / Ε (Up/Down)
selects
item.
a menu
switches the set
3.
off.
on
from
standby.
POWER/STANDBY INDICATOR
illuminates
brightly
when the set is in
dims when the set is switched
4.
on or
a menu.
OK
accepts your selection
7.
or
displays
the current mode.
AUX
clears the
menu
switches the set
*
off.
MENU
selects
6.
mode.
MUTE
switches the sound
5.
standby
on.
from the
on
from
screen.
standby.
CASTERS (on the bottom)
turn and move the set
easily.
3
Basic
operation
On and off
1.
Press the ON/OFF button to switch the set
2.
Press the ON/OFF button
on.
Volume
adjustment
Press the
Φ
/
Γ
button to
adjust
the volume.
to switch the
again
set off.
Mute function
Note
plug
:
If, while the
set is switched on, the mains
is disconnected the set will switch to
power on when the mains
the mains power socket.
or
plug
is
standby
replaced in
Press the MUTE button. The sound is switched off
and the
You
can
display W appears.
cancel it by pressing
the MUTE,
Φ
/
Γ
button.
On
screen menus
The
dialogue between you and your set takes
place on screen with an operator menu. The buttons required for the operating steps are also displayed.
O
OOOO
4.
/
Φ
adjustments
{
Language
Press the
Γ
on
button to make
the each sub
appropriate
menu.
o
Brightness
This function is to
ness
adjust
the
display
to the
bright-
desired.
OOOO
On
The
screen
menu
desired
language
can
be
selection
displayed
the
on
First select your
language.
1.
Press the MENU button.
2.
Press the
Δ
/
3.
Press the
Γ
button and then
Ε
(option)
in
language.
button to select
Δ
screen
4.
or Φ
/
Ε
Press the
Δ
/
Press the
Γ
button.
3.
button to select
Ε
Brightness.
O
OOOO
button to
button.
Press the AUX button to return to normal
4.
Press the
/
Φ
adjustments
on
Γ
button to make
the each sub
appropriate
menu.
V-Position
This function is to
you
VGA(PC) viewing.
adjust picture
to up or down as
adjust picture
to left or
prefer.
H-Position
Contrast
This function is to
This function is to
adjust
the
display
to the con-
trast desired.
1.
Press the MENU button.
2.
Press the
Δ
/
3.
Press the
Γ
button.
4
Press the MENU button.
Language.
select your desired language.
All the on screen displays will appear in the
selected language.
Press the OK
1.
2.
Ε
button to select Contrast.
you
prefer.
right
as
On
screen menus
If the
display
adjustment is
Convergence
This function enables you to adjust the colour convergence of screen during receiving the signals.
When the set is first installed
4.
vergence.
The display
it is relocated, the
be
unstable
with
three
colour ghosts
picture may
This
can
be solved by
(red, green, blue).
problem
or
adjusting the colour convergence.
1. Press the MENU button.
2.
Press the
Δ
/
3.
Press the
Γ
button to
Ε
is white, colour convergence
+
not necessary.
Press the OK button to adjust the colour con-
Press it
Δ
again
Ε
Φ
Γ
is selected in red.
to select the
display
Δ
Ε
Φ
Γ
in blue.
5.
PresstheΔ/Ε/Φ/Γbuttontosuperimpose
display + (red or blue) with the green one.
The display + is moved to the left, right, up or
downbypressingtheΔ/Ε/Φ/Γbutton.
If the red and blue display + are superimposed
with the green one, the display + will be
changed to yellow or cyan.
the
button to select
Convergence.
display the Convergence
6.
menu.
7.
Press the AUX button to return to normal
VGA(PC) viewing.
Convergence
OK AUX
If the
unstable with three colour
display
ghosts, the colour convergence
adjusted.
+ are
Note :The convergence isn't suitable to
case of no input signal.
can
connect additional
in
needs to be
Connection of external
You
use
equipment,
such
as
Note
equipment
:
The cables
PC etc. to your set.
Here shown may be somewhat different from your
a.
set.
b. The set has been
are
not
supplied,
such
as
the PC
cable, audio cable etc.
pre-adjusted
to the mode
VGA [email protected]
PC
Input
/ Audio in sockets
1. Connect the PC cable from the monitor
output
socket of the PC to the PC INPUT sockets of
the set.
2. Connect the audio cable from the PC to the
AUDIO sockets of the set.
3. Switch
on
on
the PC, and the PC screen appears
can be operated as the PC
the set. The set
monitor.
PC INPUT
(R)
(L)AUDIO
PERSONAL COMPUTER
5
Troubleshooting
check list
Symptoms
No
picture,
no
sound
Sound OK, poor
picture
Picture OK, poor sound
Lines
or
streaks in
picture
No colour
Poor colour
Check these items and try to
adjust these
The mains plug-(plugged in and
switched on)
Is the monitor switched
Adjust
on
contrast
Adjust brightness
Adjust
volume
Check PC
6
input
/ Audio in sockets
MEMO
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