DOWNLOAD Sharp LL-T18A1 (serv.man2) Service Manual ↓ Size: 1.69 MB | Pages: 120 in PDF or view online for FREE

Model
LL-T18A1 (serv.man2)
Pages
120
Size
1.69 MB
Type
PDF
Document
User Manual / Operation Manual
Brand
Device
Monitor
File
ll-t18a1-sm2.pdf
Date

Sharp LL-T18A1 (serv.man2) User Manual / Operation Manual ▷ View online

13
English
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English
Adjusting the screen display
For analog signal
1.First perform an automatic adjustment. (p.14)
2.Perform manual adjustment where necessary.
(p.15)
For digital signal
The monitor can generally be used without
adjustment. If necessary perform manual adjust-
ment. (p.18)
Note:
- All adjustments will be saved even after turning
the power off.
Resetting all adjustment values
All adjustment values can be returned to their
original ex-factory values in one command.
1. Turn off the monitor power.
2. Press the MENU button and the 
 button
simultaneously, and while doing this press the
power button (i.e. turn the power on). When [ALL
RESET] appears on the screen, the reset is
complete.
Notes:
- While [ALL RESET] is displayed, the control
buttons are disabled.
- It is not possible to reset values when the
adjustment lock is in place. Remove the
adjustment lock before attempting to operate
control buttons.
Adjustment lock function
By disabling the control buttons (i.e. setting the
lock) any attempted changes to adjusted values will
be voided.
1. Turn off the monitor power.
2.While pressing the MENU button, press the
power button (i.e. turn the power on).
Continue to press the button until [ADJUSTMENT
LOCKED] appears on the screen.The lock is set
when the message is displayed.
Note:
- When the lock is in place, all buttons other than
the power button are disabled.
Adjustment lock release
1. Turn off the monitor power.
2.While pressing the MENU button, press the
power button (i.e. turn the power on).
Continue to press the button until [ADJUSTMENT
UNLOCKED] appears on the screen.The lock is
released when the message is displayed.
Adjusting the backlight
1. Without the OSD Menu being displayed, press
the    or the   button. At the bottom of the
screen the BRIGHT bar will appear.
2. Adjust by pressing the   button (darker) or 
button (lighter).
3.Press the MENU button.
The BRIGHT bar disappers.
- The BRIGHT bar automatically disappears
several seconds after the last command.
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14
Adjusting the screen display
 (When using an analog signal)
Automatic screen adjustment
Options in the ADJUSTMENT Menu can be adjusted
automatically (CLOCK, PHASE, H-POS V-POS).
Note:
- When setting up this monitor for the first time or
after having changed an aspect of the current
system, perform an automatic screen adjustment
before use.
On Screen Display for the automatic adjustment
First display an image that makes the entire screen
light.
If you are using Windows, you can use Adjustment
Pattern on the accompanying Utility Disk.
Opening the Adjustment Pattern (for Windows)
This explanation is for Windows 95/98/2000/Me/XP,
and assumes that the floppy disk drive is "A drive".
1.Place the Utility Disk (provided) into the
computer's A drive.
2.Open [My Computer] and select [3 ½ Floppy [A:]].
If using Windows 3.1, open [File Manager] and
choose A drive.
3.Double click on [Adj_uty.exe] to run the
Adjustment Program. The Adjustment Pattern will
appear.
Adjustment pattern
After completing the adjustments, press the
computer's [Esc] key to exit the Adjustment
Program.
Note:
- If your computer's display mode is set to 65K
colors, you may see the different color levels in
each color pattern or the gray scale may look
colored. (This is due to the specification of the
input signal and is not a malfunction.)
How to Adjust
1.Press the MENU button.
The ADJUSTMENT Menu will be displayed.
[
]
A
A
A
A
A
C
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D
E
H
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1 0
 
1
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1
A N A L OG
<
>
2.Press the   button.
The screen will become dark and [ADJUSTING]
will be displayed. After a few seconds the
ADJUSTMENT Menu will return. (The automatic
adjustment is now complete.)
3.Press the MENU button 4 times to make the OSD
Menu disappear.
Notes:
- In most cases automatic adjustment is sufficient.
- If necessary due to any of the following, manual
adjustments (p.15) can be performed after the
automatic adjustment.
- When further fine adjustment is needed.
- When [OUT OF ADJUST] is displayed. (When
the screen displays an entirely dark image, the
automatic screen adjustment may be disabled.
When making an automatic adjustment, be
sure to either use the Adjustment Pattern or try
displaying an image that makes the entire
screen very bright.)
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15
English
Deutsc
h
Français
Italiano
Español
English
Adjusting the screen display 
(When using an analog signal)
Manual screen adjustment
Adjustments can be made using On Screen
Display (OSD) Menu provided.
On Screen Display for adjustment
If you are using Windows, open the Adjustment
Pattern on the accompanying Utility Disk. (p.14).
If your system is not Windows, you can not use the
Adjustment Pattern. Therefore display an image
that makes the entire screen light and adjust it
through checking visually its actual tone.
This chapter provides the procedure how to adjust
the screen by using Adjustment Pattern (for
Windows)
How to adjust
1.Press the MENU button.
The ADJUSTMENT Menu will be displayed.
[
]
A
A
A
A
A
C
C
D
E
H
H
J
K
L
M
M
N
N
L
O
O
O
P
P
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U
U
V
2
5
8
0
1 0
 
1
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O
P
S
-
E
H
V
0
1
8
7
0
H
0
1
5
2
z
2
x
:
k
: 8
H z
4
1
A N A L OG
<
>
At this point relevant menu options can be
adjusted.
Each time the MENU button is pressed the next
menu is selected. (ADJUSTMENT 
→ GAIN
CONTROL 
→ COLOR CONTROL → MODE
SELECT 
→ OSD Menu disappears)
Note:
- The OSD Menu automatically disappears several
seconds after the last command.
ADJUSTMENT Menu
[
]
A
A
A
A
A
C
C
D
E
H
H
J
K
L
M
M
N
N
L
O
O
O
P
P
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S
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T
T
T
U
U
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2
5
8
0
1 0
 
1
0
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-
O
P
S
-
E
H
V
0
1
8
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0
H
0
1
5
2
z
2
x
:
k
: 8
H z
4
1
A N A L OG
<
>
MANUAL: Individual menu options are manually
adjusted.
AUTO:
Every menu option is automatically
adjusted.
Notes:
- Press the   button to select [AUTO].
- To choose a menu option: 
 button
- To go to the next menu: MENU button
CLOCK
The figure below demonstrates how to adjust so
that vertical flicker noise is not emitted.
(    buttons)
PHASE
The figure below demonstrates how to adjust so
that horizontal flicker noise is not emitted.
(    buttons)
Note:
- Adjustments to PHASE should be made only
after CLOCK has been correctly set.
H-POS (horizontal positioning) and V-POS
(vertical positioning)
To center the Adjustment pattern within the
boundaries of the screen, adjust the left-right (H-
POS) values and the up-down (V-POS) values.
(    buttons)
Vertical flicker noise
Horizontal flicker noise
Screen frame
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16
Adjusting the screen display 
(When using an analog signal)
GAIN CONTROL Menu
[
]
A
A
A
G A I
L
M
O
N
T
O
T
C
RO L
U
U
N
2
3
5
8
N
BLACK LEVEL
CONTRAST
A N A L OG
<
>
H
V
0
1
8
7
0
H
0
1
5
2
z
2
x
:
k
: 8
H z
4
MANUAL: Individual menu options are manually
adjusted.
AUTO:
Every menu option is automatically
adjusted using the Auto Gain Control*
function.
Notes:
- Press the   button to select [AUTO].
- To choose a menu option: 
 button
- To go to the next menu: MENU button
* Auto Gain Control function
- The Auto Gain Control adjusts contrast and black
level based on the brightest color of the image
displayed. If you are not using the Adjustment
Pattern it is necessary to have an area of 5 mm x
5 mm of white displayed, and if not adjustments
may not be possible. (In such case, [OUT OF
ADJUST] will appear and setting values remain
unchanged.)
- When using the Auto Gain Control function, set
[WHITE BALANCE] to other than [USER]. If
[USER] is set, the Auto Gain Control function
cannot be used.
BLACK LEVEL
Total screen brightness can be adjusted while
watching the color pattern. (    buttons)
CONTRAST
While watching the color pattern, adjustments can
be made so that all gradations appear.
(    buttons)
Color pattern
COLOR CONTROL Menu
H
V
0
1
8
7
0
H
0
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2
x
:
k
: 8
H z
4
A N A L OG
<
>
O
C
L OR
O
C
N T
O
R
L
O
C
L OR
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V I D
WH I
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A
[
]
D
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R
C O
U E
S R
L
M
S
WA
T
R-CONTRAST
G-CONTRAST
B-CONTRAST
D
ST
Notes:
- To choose a menu option: 
 button
- To go to the next menu: MENU button
COLOR MODE
Color tone can be set as below. (    buttons)
sRGB: sRGB is international standard of color
representation specified by IEC
(International Electrotechnical Commis-
sion). Color conversion is made in
taking account of liquid crystal's
characteristics and represents color
tone close to it original image.
STD:
Displays image with the color tone
results from original scheme of liquid
crystal panel.
VIVID: Displays an image with dynamic and
VIVID primary colors.
- If [sRGB] or [VIVID] has been selected, items
subsequent to [WHITE BALANCE] cannot be set.
WHITE BALANCE
- Use the     buttons to select [COOL], [·], [STD],
[·], [WARM] or [USER].
- Selecting [USER] will display the setting values
for [R-CONTRAST], [G-CONTRAST] and [B-
CONTRAST], in order to make fine adjustments.
- Use the 
 button to select [R-CONTRAST], [G-
CONTRAST] and [B-CONTRAST].
COOL ... Color tone bluer than standard
   • .........Color tone slightly bluer than standard
STD ...... Color tone standard setting
   • .........Color tone slightly redder than standard
WARM .. Color tone redder than standard
USER
R-CONTRAST .....
  button for blue-green
  button for red
G-CONTRAST .....
  button for purple
  button for green
B-CONTRAST .....
  button for yellow
  button for blue
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