Sharp Pn 425 Operation Guide

							
PN-425
LCD MONITOR
OPERATION GUIDE
 
						

							
2E
Basic Operation  ............................................................... 3
Menu Items   ....................................................................... 5
Displaying the menu screen
  .........................................5
Menu item details
  ......................................................... 6
Adjustments for PC screen display
  ............................10
Initialization (Reset)/Functional Restriction Setting
  ...11
Controlling the Monitor with a PC
  ................................12
PC connection
  ............................................................ 12
Communication conditions
  .........................................12
Communication procedure
  .........................................12
RS-232C command table
  ...........................................14

This guide contains instructions regarding operation, settings, and simi\
lar details.
For instructions regarding connection and installation, refer to the inc\
luded Operation Manual.
Manual Scope
-  Microsoft and Windows are registered trademarks of Microsoft Corporation\
.
-   Adobe, Acrobat, and Reader are either registered trademarks or trademarks of Adobe Systems Incorporated in the United 
States and/or other countries.
- 
 All other brand and product names are trademarks or registered trademark\
s of their respective holders.
- 
 Language of OSD menu used in this manual is English by way of example.
- 
 Illustrations in this manual may not exactly represent the actual produc\
t or display.
- 
 This manual assumes use in horizontal orientation, except where specifically noted.
Contents
 
						

							
3E
Basic Operation

1 
2  3 
4 
5  6 
7  8

1. INPUT (Input mode selection)
The menu is displayed. Press 

 or 
 to select the input 
mode, and press 

 to enter.
*
 
You can select the input terminal by pressing the input 
switch of the monitor.

Input mode VideoAudio
PC 
input DIGITAL
PC digital RGB input 
terminal
PC audio input 
terminal
ANALOG1
PC analog RGB input 
terminal
ANALOG2 PC analog RGB input 
terminals (BNC)
AV 
input COMPONENT
Component video input 
terminals Audio input 
terminals 
(COMPONENT)
VIDEO Composite video input 
terminals or S-video 
input terminal Audio input 
terminals (VIDEO)
2. DISPLAY
Displays monitor information. The display disappears when 
this button is pressed again or disappears automatically after 
approximately 15 seconds.

INPUT MODE
SIZE
MODE
BRIGHT
VOLUME
OFF TIMER
ID No.
MODEL
S/N ANALOG1
WIDE
STD
22
15
10:59
    
0
PN-425
:
:
:
:
:
:
:
:
:
1024x768

INFORMA TION ANALOG1
V:  60 Hz    H: 48.4 kHz

3. MODE (Screen mode selection)
Each time you press this button, the screen mode changes in 
the following order:
STD (Standard) → OFFICE
*1 → VIVID → sRGB*2 
→ STD (Standard) ...

*1   Display brightness is lowered. (This mode saves power.)
*2   When the input mode is DIGITAL/ANALOG1/ANALOG2.
 
sRGB is international standard of color representation 
specified by IEC (International Electrotechnical 
Commission). Color conversion is made in taking account 
of liquid crystal’s characteristics and represents color tone 
close to its original image.
4. SIZE (Screen size selection)
Each time you press this button, the screen size changes in 
the following order: (See page 4.)
WIDE → ZOOM1 → ZOOM2 → NORMAL 
→ Dot by Dot → WIDE ...

5. MUTE
Turns off the volume temporarily.
Press the MUTE button again to turn the sound back to the 
previous level.
6. MENU
Displays and turns off the menu screen (see page 5).
7. VOL +/- (Volume adjustment)
Pressing 

 or 
 displays the VOLUME menu when the 
menu screen is not displayed.

V OLUME 15

Press 
 or 
 to adjust the volume of the sound.
*
 
If you do not press any buttons for about 4 seconds, the 
VOLUME menu automatically disappears.
8. BRIGHT +/- (Backlight adjustment)
Pressing 

 or 
 displays the BRIGHT menu when the menu 
screen is not displayed.

BRIGHT1 5

Press 
 or 
 to adjust the brightness.
*
 
If you do not press any buttons for about 4 seconds, the 
BRIGHT menu automatically disappears.
 
						

							
E
4
Basic Operation
n Switching the screen size
Even when the screen size is changed, the display may remain the same de\
pending on the input signal.

WIDE
PC input
Displays image so it fills the entire screen.
AV input An image with a 4:3 aspect ratio is stretched to fill the entire 
screen.
ZOOM1

PC input An image with a 4:3 aspect ratio is enlarged to fill the entire screen 
without changing the aspect ratio. The edges of the image may be 
cut off.
AV input
ZOOM2

PC input Use this size if ZOOM1 cuts off the subtitles.
AV input
NORMAL

PC input Displays image so it fills the screen without changing the aspect 
ratio of the input signals.
AV input Displays the entire image of the aspect ratio of 4:3 without 
changing the aspect ratio.
Dot by Dot

PC input Displays the dots of the signals input from the connected PC as 
the corresponding dots on the screen. 
AV input Displays the dots of the input signals as the corresponding dots on 
the screen. *
*
 
Displays 1080i images at reduced size so that they fill the entire screen.

TIPS

•   Using this monitor’s screen-size switching or dual-screen display functions to compress or expand the screen for commercial 
or public viewing in establishments like cafes or hotels may infringe on\
 the rights of the creators, as protected by Copyright 
Law, so please be careful.
•
  When ENLARGE is set, the screen size is fixed to WIDE mode.
•
  When dual-screen display is selected, the screen size cannot be changed.
•
  The appearance of the original video may change if you select a screen size with a different aspect ratio than the original 
image (e.g. TV broadcast or video input from external equipment). 
•
  When an ordinary non-wide image (4:3) is viewed with the whole screen using the screen-size switching function of this 
monitor, the edge of the image may be lost or appear distorted. If you wish to \
respect the creator’s intentions, set the screen 
size to NORMAL.
•
  When playing commercial software, parts of the image (like subtitles) may be cropped. In this case select the optimal screen 
size using the screen-size switching function of this monitor. With some software, there may be noise or distortion at the 
edges of the screen. This is due to the characteristics of the software, and is not a malfunc\
tion.
•
  Depending on the original image size, black bands may remain at the edges of the screen.
 
						

							
5E
Menu Items

Displaying the menu screen
Video and audio adjustment and settings of various functions 
are enabled. This section describes how to use the menu 
items. See pages 6 to 8 for details of each menu items.
nExample of operation
(Adjusting CONTRAST in the GAIN CONTROL menu)
1.
  Press 

 to display the menu screen.

MANUAL
CLOCK
PHASE
H-POS
V-POS
                       
AUTO
RESET 127
50
149 27
1024x768

ADJUSTMENT ANALOG1
V:  60 Hz    H: 48.4 kHz

2.  Press  
 to display the GAIN CONTROL menu.
3.
 
Press 

  to select CONTRAST.

MANUAL
BLACK  LEVEL
CONTRAST
1024x768

68
44
AUT
O
GAIN CONTROL
ANALOG1
V:  60 Hz    H: 48.4 kHz

4.  Press 
 or  
 to adjust the setting.

MANUAL
BLACK  LEVEL
CONTRAST
1024x768

68
50
AUT
O
GAIN CONTROL
ANALOG1
V:  60 Hz    H: 48.4 kHz

5.  Press 
 to close the menu screen.

TIPS

•  The menu will differ depending on the input mode.
•   The menu screen will close automatically if no operation is 
performed for about 15 seconds.
nMenu screen display

MANUAL
BLACK  LEVEL
CONTRAST
1024x768

68
44
AUT
O
GAIN CONTROL
ANALOG1
V:  60 Hz    H: 48.4 kHz

12
3
4

1   Name of the menu
2   Input mode
3
  An item being selected (highlighted)
4
  Screen resolution of input signal, and other data.

TIPS

•  Items that cannot be selected appear in gray. 
(e.g. Function not supported by the current input signal)
 
						

							
E
6

Menu item details
The menu will differ depending on the input mode.
nADJUSTMENT (ANALOG1/ANALOG2)

MANUAL/AUTO
Adjusts CLOCK, PHASE, H-POS, and V-POS. 
If you are using a Windows PC, use the adjustment pattern 
on the supplied CD-ROM. (See page 10.)
MANUAL
 ..... Selects and adjusts CLOCK, PHASE, H-POS, 
and V-POS.
AUTO
 .......... Use this automatic adjustment when you use 
the PC analog RGB input terminal or PC analog 
RGB input terminals (BNC) to display a PC 
screen for the first time or when you change the 
setting of the PC. (See page 10.)
CLOCK
Adjusts frequency for sampling clock for applicable video.
Adjust when there is flickering in the form of vertical stripes.
When using the adjustment pattern (see page 10), make 
adjustments so that no vertical stripe noise appears in it.
PHASE
Adjusts sampling clock phase for applicable video.
Useful when small characters appear with low contrast and/
or there are flickers at corners.
When using the adjustment pattern (see page 10), make 
adjustments so that no horizontal stripe noise appears in it. *
  Adjustments to PHASE should be made only after CLOCK 
has been correctly set.
H-POS
Adjust the horizontal position of the image.
V-POS
Adjust the vertical position of the image.
RESET
Pressing 

 resets the values of the ADJUSTMENT menu 
items to the factory preset values.
nGAIN CONTROL  
(DIGITAL/ANALOG1/ANALOG2)

MANUAL/AUTO (ANALOG1/ANALOG2)
Adjusts BLACK LEVEL and CONTRAST.
If you are using a Windows PC, use the adjustment pattern 
on the supplied CD-ROM. (See page 10.)
MANUAL
 ..... Selects and adjusts BLACK LEVEL and 
CONTRAST.
AUTO
 .......... Automatically adjusts BLACK LEVEL and 
CONTRAST.
BLACK LEVEL
Adjusts the entire brightness of the video signals.
CONTRAST
Adjusts the brightness of the image.
nCOLOR CONTROL
 
(DIGITAL/ANALOG1/ANALOG2)

WHITE BALANCE
THRU
 .............. Displays the input signal level as is. 
(for
  DIGITAL   only)
PRESET
 ......... Selects the color temperature using PRESET.
USER
 .............. Used for adjusting R-CONTRAST, 
G-CONTRAST, and B-CONTRAST 
respectively.
PRESET
Allows selection from the preadjusted settings. (For a guide 
to the color temperatures of the adjustment values, see page 
8.)
R-CONTRAST
Adjusts red component when WHITE BALANCE is set to  
USER.
G-CONTRAST
Adjusts green component when WHITE BALANCE is set to 
USER.
B-CONTRAST
Adjusts blue component when WHITE BALANCE is set to 
USER.
COPY TO USER
SET
 ............. Pressing 

 copies the value set for PRESET 
to the USER setting.
GAMMA
Select a gamma value.
Menu Items
 
						

							
E
7

nVIDEO ADJUSTMENT 
(COMPONENT/VIDEO)

CONTRAST
Adjusts the light areas of the image.
BLACK LEVEL
Adjusts the entire brightness of the video signals.
TINT
Adjusts the hue. Selecting + changes the color towards 
green, and selecting - changes it towards magenta.
COLORS
Adjusts the color intensity.
SHARPNESS
Adjusts the sharpness of the image.
WHITE BALANCE
Allows selection from the preadjusted settings. (For a guide 
to the color temperatures of the adjustment values, see page 
8.)
GAMMA
Select a gamma value.
n MODE SELECT 1

480 LINES (ANALOG1/ANALOG2)
If a computer connected to the PC analog RGB input 
terminal or the PC analog RGB input terminals (BNC) 
outputs resolutions of 640 x 480 or 848 x 480, select the 
relevant horizontal resolution.
768 LINES (ANALOG1/ANALOG2)
If a computer connected to the PC analog RGB input 
terminal or the PC analog RGB input terminals (BNC) 
outputs resolutions of 1024 x 768, 1280 x 768, or 1360 x 
768, select the relevant horizontal resolution.
ENLARGE H
Sets the number of screen splits (number of monitors) in the 
longer direction used for the enlargement. (See page 9.)
ENLARGE V
Sets the number of screen splits (number of monitors) in the 
shorter direction used for the enlargement. (See page 9.)
ENLARGE-POS H/ENLARGE-POS V
Specify the split screen to be displayed when the 
enlargement function is used. (See page 9.)
BEZEL H/BEZEL V
Sets the frame width of the display when the enlargement 
function is used.
(H: Width of the shorter side, V: Width of the longer side)
MULTI ZOOM
Adjusts the enlarged screen. Pressing 

 displays the next 
menu.
IMAGE ZOOM
 ..
Adjusts the scale of enlargement.
H-POS
 ..............
Adjusts the position of the longer direction.
V-POS
...............
Adjusts the position of the shorter direction.
AUDIO
Adjust the volume of the sound output from the speaker. 
Pressing 

 displays the next menu.
TREBLE
............ Adjusts the volume of treble-level sound.
BASS
 ................ Adjusts the volume of bass-level sound.
BALANCE
 ......... Adjusts the balance of the audio sound 
between right and left.
nMODE SELECT 2

OFF TIMER
Set the time until the monitor turns off (enters standby mode) 
between 0 and 23 in units of one hour. This function is 
disabled when “0” is specified.
OSD H-POSITION
Adjusts the horizontal display position of menu screen.
OSD V-POSITION
Adjusts the vertical display position of menu screen.
LANGUAGE
Sets the display language for the menu screen.
Pressing 

 displays the selection menu.
POWER ON DELAY
You can delay the screen display after the monitor is turned 
on. The period can be set up to 60 seconds in units of one 
second. When this function is activated, the power LED 
flashes in orange. This function is disabled when “0” is 
specified.
ID No. SET
Assigns ID numbers to monitors using RS-232 cables.
The numbers 1 to 255 are available for ID numbers.
If “0” is set, the system regards this as the state where no ID
number is set.
This should normally be set to “0”.
MONITOR
Select the installation direction of the monitor.
LANDSCAPE
  ..... Horizontal orientation
PORTRAIT
 
........ Vertical orientation
SCAN MODE (COMPONENT/VIDEO)
Sets the scan mode used for AV mode input.
MODE1
 ....
Over-scan display
MODE2
 ....
Under-scan display
MODE3
 ....
Under-scan display when the input signal is 1080i. 
Otherwise, over-scan display
* Even when MODE1 is selected, under-scan display is used  when the input signal is 1080i and the screen size is Dot by 
Dot.
COLOR SYSTEM
Selects the video signal system for AV equipment connected 
to the S-video input terminal and composite video input 
terminals (PAL/PAL-60/SECAM/NTSC (3.58)/NTSC (4.43)). If 
AUTO is selected, the system is automatically set according 
to the input signal.
Menu Items
 
						

							
E
8

Menu ItemsnGuide to the color temperatures of the 
adjustment values
The following is a guide to the color temperatures of the 
respective adjustment values for WHITE BALANCE. •
  Factory-adjusted value is “13” (approx. 9,000K).
•
  The setting values are shown for reference. The color 
temperature of the screen varies over time. This function is 
not intended to keep the color temperature constant.

Adjustment value Color temperature (K)
15 app. 10,000
14 app. 9,500
13 app. 9,000
12 app. 8,500
11 app. 8,000
10 app. 7,500
9 app. 7,000
8 app. 6,500
7 app. 6,000
6 app. 5,500
5 app. 5,000
4 app. 4,500
3 app. 4,000
2 app. 3,500
1 app. 3,000
nMODE SELECT 3

PIP MODES (See page 9.)
Sets the display method.
OFF
 ......... Displays one screen.
PIP
 ........... Displays a sub screen inside a main screen.
PbyP
 ........ Displays a main screen and a sub screen in a line.
PbyP2
 ......
Displays a main screen which measures 1024 pixels 
in the longer direction and a sub screen in a line.
PIP SIZE
Sets the size of the sub screen in PIP mode.
PIP H-POS
Adjusts the horizontal position of the sub screen in PIP mode.
PIP V-POS
Adjusts the vertical position of the sub screen in PIP mode.
PIP SOURCE (VIDEO)
Selects the input signal of the sub screen in PIP, PbyP, or 
PbyP2 mode.
SOUND CHANGE
Sets the sound which is output in PIP, PbyP, or PbyP2 mode.
If the main screen is displayed as a full screen by the AUTO 
OFF function, the sound for the main screen is output even 
when the sound for the sub screen is specified.
PbyP2 POS
Sets the position of the sub screen in PbyP2 mode. 
AUTO OFF
Sets the display method when no signals for the sub screen 
are input in PIP, PbyP, or PbyP2 mode.
AUTO
  ............ Displays the main screen as a full screen.
MANUAL
  .......  
Displays a main screen and a black sub screen.

TIPS

•  When WHITE BALANCE is set to THRU, BLACK LEVEL, 
CONTRAST and GAMMA cannot be set.
•
  When MODE is set to sRGB or VIVID, COLOR CONTROL 
cannot be set. (DIGITAL/ANALOG1/ANALOG2)
•
  When MODE is VIVID, WHITE BALANCE and GAMMA 
cannot be set. (COMPONENT/VIDEO)
 
						

							
E
9

Menu Items
n Dual screen display
You can display the following screens simultaneously.
•   VIDEO and DIGITAL/ANALOG1/ANALOG2
•
  VIDEO and COMPONENT
Set this function with PIP MODES in the MODE SELECT 3 
menu. (See page 8.)

PIP
Main screen 
Sub 
screen
A sub screen is displayed 
inside a main screen.
PbyP

Main  
screen  Sub 
screen

A main screen and a sub 
screen are displayed in a 
line.
PbyP2

Main screen  Sub 
screen

Displays a main screen 
which measures 1024 
pixels in the longer 
direction and a sub 
screen in a line.
*
 
The currently selected input signal is displayed on the main 
screen.

TIPS

•   You might infringe on a copyright of the author which is 
protected by copyright law when you display the images of 
the computer screen and television/VCR simultaneously for 
profit-making or to show the image to the public.
•
  The screen size for dual-screen display is the same as 
the screen size for single-screen display. The Dot by Dot 
screen is displayed in NORMAL size except when it is set 
as the PIP main screen.
•
  When dual-screen display is selected, the screen cannot 
be enlarged.  MONITOR settings cannot be changed either.
nEnlarge
•
  You can align several monitors and integrate them into a 
single large screen to display.
•
  Up to 4 monitors can be aligned in both the longer and 
shorter directions.
•
  Each monitor displays enlarged views of separated images.

(Example)
Longer direction: 2 monitor s
Shorter direction: 2 monitor s
Longer direction: 3 monitor s
Shorter direction: 2 monitor s

Setting procedure
In the MODE SELECT 1 menu, set ENLARGE H/V and  
ENLARGE-POS H/V. (See page 7.)
1. 
  Set the number of monitors aligned in the longer  
direction in ENLARGE H.
2. 
  Set the number of monitors aligned in the shorter 
direction in ENLARGE V.
3. 
  Set the section of the separated image to be displayed 
on each monitor in ENLARGE-POS H and   
ENLARGE-POS V.
In horizontal orientation

ENLARGE H 
(1,2) 
(1,3) 
(1,4)  (2,2) 
(2,3) 
(2,4) (3,2) 
(3,3) 
(3,4)  (4,2) 
(4,3) 
(4,4) 
(1,1) 
1 
(2,1) 2 
(3,1) 3 
(4,1) 4 
1 
2 
3 
4 
ENLARGE V 

In vertical orientation

ENLARGE H
(1,2)
(1,3)
(1,4)
(2,2) 
(2,3)
(2,4)
(3,2)
(3,3)
(3,4)
(4,2)
(4,3)
(4,4)  (1,1)
4 
(2,1)
2 
(3,1)
3 
(4,1)1 
1 
2 
3 
4

ENLARGE V

*  The numbers in parentheses are the setting values in 
(ENLARGE-POS H, ENLARGE-POS V) format.

TIPS

•  Up to 4 monitors can be linked in daisy chain using PC 
analog RGB output terminals.
•
  For connections other than those indicated above, a 
separate splitter for the video signal (commercially available) 
is required.
•
  Dual-screen display is disabled when the enlargement 
function is used.
•
  To cancel the enlargement, set “1” for ENLARGE H and 
ENLARGE V respectively.
 
						

							
E
10
Menu Items

Adjustments for PC screen display
nAutomatic adjustment
When you use the PC analog RGB input terminal or PC 
analog RGB input terminals (BNC) to display a PC screen for 
the first time, or when you change the setting of the PC, use 
the automatic screen adjustment.
1.
  Switch the input to ANALOG1 or to ANALOG2 and 
display the adjustment pattern.  (See the description 
below.)
2.
  Press 

 to display the ADJUSTMENT menu.
3.
 
Press 

  and select AUTO.
 
The automatic adjustment is complete in several seconds.
4.
 
Press  

 6 times to close the menu screen.

TIPS

•  If the screen cannot be adjusted properly with one 
automatic adjustment, repeat the automatic adjustment 2 or 
3 times. Try manual adjustment if necessary. 
nScreen display for adjustment
Before making adjustments in the ADJUSTMENT menu 
or GAIN CONTROL menu, display an image to brighten 
the entire screen. If you are using a Windows PC, use the 
adjustment pattern on the supplied CD-ROM.
Opening the adjustment pattern
1.
  Load the supplied CD-ROM into the computer’s CD-
ROM drive.
2.
  Open the CD-ROM in [My Computer].
3.
  Double-click [Adj_uty.exe].
 
The adjustment pattern will appear.
 
Adjust the screen automatically or manually.

4.	 When 	 adjustment 	 is 	 finished, 	 press 	 the 	 [Esc] 	 on 	 the 	
computer’s keyboard to quit the adjustment program.
5.
  Eject the CD-ROM from the CD-ROM drive.

TIPS

•  If the display mode on the computer you are using is 
65,000 colors, the color levels in the color pattern may 
appear differently or grayscale may appear to be colored. 
(This is due to the specifications of the input signal and is 
not a malfunction.)