Sharp Pnu423 Manual

PN-U553
PN-U473
PN-U423
LCD MONITOR
OPERATION MANUAL 

IMPORTANT:
To aid reporting in case of loss or theft, please record the 
product’s model and serial numbers in the space provided. 
The numbers are located in the rear of the product.

Model No.:
Serial No.:U.S.A. ONLY 

3E

IMPORTANT INFORMATION
WARNING:  TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS PRODUCT 
TO RAIN OR MOISTURE.

RISK OF ELECTRIC 
SHOCK
DO NOT OPEN

CAUTION
CAUTION:    TO REDUCE THE RISK OF ELECTRIC 
SHOCK, DO NOT REMOVE COVER. 
NO USER-SERVICEABLE PARTS 
INSIDE. 
REFER SERVICING TO QUALIFIED 
SERVICE PERSONNEL.

The lightning flash with arrowhead symbol, within 
a triangle, is intended to alert the user to the 
presence of uninsulated “dangerous voltage” 
within the product’s...

4E

Thank you for your purchase of a SHARP LCD product. To ensure safety and many years of trouble-free operation of your 
product, please read the Safety Precautions carefully before using this product.
SAFETY PRECAUTIONS
Electricity is used to perform many useful functions, but it can also cause personal injuries and property damage if improperly 
handled. This product has been engineered and manufactured with the highest priority on safety. However, improper use can 
result in electric shock and/or...

5E

SAFETY PRECAUTIONS (Continued)
 19.    Batteries — Incorrect use of batteries may cause the batteries to burst or ignite.  A leaky battery may corrode the equipment, 
dirty your hands or spoil your clothing. In order to avoid these problems, make sure to observe the precautions below:
    • Use the specified batteries only.
    •   Install the batteries with due attention to the plus (+) and minus (-) sides of the batteries according to the instructions in the 
compartment.
    • Do not mix old and...

6E

-  The TFT color LCD panel used in this monitor is made with 
the application of high precision technology. However, there 
may be minute points on the screen where pixels never light 
or are permanently lit. Also, if the screen is viewed from 
an acute angle there may be uneven colors or brightness. 
Please note that these are not malfunctions but common 
phenomena of LCDs and will not affect the performance of 
the monitor.
- 
 Do not display a still picture for a long period, as this could 
cause...

7E

MOUNTING PRECAUTIONS
•  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...

8E

Supplied Components
If any component should be missing, please contact your dealer.
 Liquid Crystal Display Monitor: 1
  Remote control unit: 1
  Cable clamp: 2
  Power cord: 1
  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...

9E

nFront view

6
7
4
5
8
82 4
10
11 12 1314 15 16 171819 2021
9 22
23
23
4
5
*
1
Guideline

Part Names
n
Rear view

Caution

•
  Consult your SHARP dealer for attachment/detachment of optional parts.
•   When lifting or moving the monitor, do not hold by the speakers.
  1.   LCD panel
  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...

10E

Part Names
n Remote control unit

1
2
3
4
5
6 118 7
9
10
  1.   Signal transmitter
 
2.   POWER button  (See page 16.)
  3.   MUTE button  (See page 18.)
  4.   VOL +/- buttons  (See page 18.)
   BRIGHT +/- buttons  (See page 18.)
   Cursor control (

 / 
 / 
 / 
) buttons
 
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...