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•  This product is for use indoors.
•  A mounting bracket compliant with VESA specifications is 

required.

•  Since the monitor is heavy, consult your dealer before 

installing, removing or moving the monitor.

•  Do not hold the monitor by the speakers.
•  Mounting the monitor on the wall requires special expertise 

and the work must be performed by an authorized SHARP 
dealer. You should never attempt to perform any of this 
work yourself. Our company will bear no responsibility 
for accidents or injuries caused by improper mounting or 
mishandling.

•  Use the monitor with the surface perpendicular to a level 

surface. If necessary, the monitor may be tilted up to 20 
degrees upward or downward. 

•  This monitor should be used at an ambient temperature 

between 41°F (5°C) and 104°F (40°C). 
(32°F (0°C) and 104°F (40°C) for the PN-U473/PN-U423)
Provide enough space around the monitor to prevent heat 
from accumulating inside.

Unit: inch [mm]

7-7/8 [200]

2

[50]

2

[50]

2 [50]

2

[50]

2 [50]

Power LED

Unit: inch [mm]

5/16 [7]

5/16 [7]

7-7/8 [200]

2

[50]

•  If it is difficult to provide sufficient space for any reason 

such as the installation of the monitor inside a housing, or 
if the ambient temperature may be outside of the range 
of 41°F (5°C) to 104°F (40°C), install a fan or take other 
measures to keep the ambient temperature within the 
required range. 
(32°F (0°C) and 104°F (40°C) for the PN-U473/PN-U423)

•  Temperature condition may change when using the monitor 

together with the optional equipments recommended by 
SHARP. In such cases, please check the temperature 
condition specified by the optional equipments.

•  Do not block any ventilation openings. If the temperature 

inside the monitor rises, this could lead to a malfunction.

•  Do not place the monitor on a device which generates heat.

•  Adhere to the following when installing the monitor in its 

portrait orientation. Failing to adhere to the following may 
cause malfunctions. 
-  Install the monitor such that the power LED is located on 

the bottom side.

- Set the MONITOR on the MONITOR menu to PORTRAIT.

(See page 24.)

-  Be sure to clamp the power cord (supplied) onto the cable 

clamp attachment using the supplied cable clamp. When 
clamping the power cord, take care not to stress the 
terminal of the power cord. Do not bend the power cord 
excessively.

Cable clamp

Power cord (Supplied)

Cable clamp 

attachment

•  Use the supplied vertical sticker when you install the 

monitor in portrait orientation.

Vertical sticker 

(Operation panel)

Vertical sticker 

(Logo)

Do not remove the factory-affixed sticker but affix the 
sticker over it. Be careful not to cover the remote control 
sensor or buttons.

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If any component should be missing, please contact your dealer.



 Liquid Crystal Display Monitor: 1



 Remote control unit: 1



 Cable clamp: 2



 Power cord



 R-6 battery (“AA” size): 2



 CD-ROM (Utility Disk for Windows): 1



 Setup Manual: 1



 Vertical sticker (Logo): 1



 Vertical sticker (Operation panel): 1



 Model Name / Serial No. label: 1

  Indicates the model name and serial number.


  Cover SHARP logo: 1 

Place this sticker onto the SHARP logo to cover the logo.

*  SHARP Corporation holds authorship rights to the Utility Disk program. Do not reproduce it without permission.

*  For environmental protection!

  Do not dispose of batteries in household waste. Follow the disposal instructions for your area.

Installing the batteries ................................................15
Remote control operation range .................................15

Turning on the main power.........................................16
Turning power on/off ..................................................16

Displaying the menu screen .......................................20
Menu item details .......................................................21
Adjustments for PC screen display ............................28

PC connection ............................................................30
Communication conditions .........................................30
Communication procedure .........................................30
RS-232C command table ...........................................34

Settings to connect to a LAN ......................................39
Controlling with a PC ..................................................41
“Advanced operation” Command-based control ........44

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Guideline

n

Caution

•  Consult your SHARP dealer for attachment/detachment of optional parts.

•  When lifting or moving the monitor, do not hold by the speakers.

  2.  Power LED (See page 16.)

  3.  Remote control sensor (See page 15.)

  4.  Input switch (See page 18.)

  5.  Power switch (See page 16.)

*  The Input switch and Power switch are located on the back 

of the monitor. Use the position of the slot on the front as a 

guideline for operation of the switches.  

(The switch with the protrusion is the Power switch.)

This section is used to connect optional hardware for 

function expansion. Offering this attachment location 

is not a guarantee that future compatible hardware 

attachments will be released.

  9.  AC input terminal (See page 13.)

 10.  Main power switch (See page 16.)

 11.  RS-232C output terminal (See page 12.)

 12.  RS-232C input terminal (See page 12.)

 13.  LAN terminal (See page 12.)

 14.  HDMI input terminal (See page 11.)

 15.  DisplayPort input terminal (See page 11.)

 16.  DVI-D input terminal (See page 11.)

 17.  DVI-D output terminal (See page 12.)

 18.  D-sub input terminal (See page 11.)

 19.  Audio1 input terminal (See page 12.)

 20.  Component input terminals (See page 11.)

 21.  Video input terminal (See page 11.)

 22.  Audio output terminals (See page 12.)

 23.  Audio2 input terminals (See page 12.)

 24.  Anti-theft hole ( )

A commercially available anti-theft lock can be connected. 

The anti-theft hole is compatible with the Kensington 

MicroSaver Security System.

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2.  POWER button (See page 16.)

 

3.  MUTE button (See page 18.)

 

4.  VOL +/- buttons (See page 18.)

   

BRIGHT +/- buttons (See page 18.)

   

 

5.  DISPLAY button (See page 18.)

 

6.  MODE button (See page 18.)

 

7.  INPUT button (See page 18.)

 

8.  MENU button (See page 18.)

 

9.  ENTER button (See page 18.)

 

10.  RETURN button (See page 18.)

 

11.  SIZE button (See page 18.)