E-2
Precautions
Please read this manual carefully before using your NEC
MultiSync MT830/1030 LCD Projector and keep the manual
handy for future reference.
Your serial number is located under the name plate label on the right
side of your MultiSync MT830/1030 . Record it here:
IMPORTANT INFORMATION
CAUTION
LASER RADIATION-
DO NOT STARE INTO BEAM
WAVE LENGTH: 645 nm (640-660 nm)
MAX. OUTPUT: 1 mW
CLASS II LASER PRODUCT
CAUTION
To turn off main power, be sure to remove the plug
from power outlet. The power outlet socket should be
installed as near to the equipment as possible, and should
be easily accessible.
CAUTION
TO PREVENT SHOCK, DO NOT OPEN THE
CABINET. NO USER-SERVICEABLE PARTS
INSIDE. REFER SERVICING TO QUALIFIED
NEC SERVICE PERSONNEL.
WARNING
TO PREVENT FIRE OR SHOCK, DO NOT EXPOSE THIS
UNIT TO RAIN OR MOISTURE. DO NOT USE THIS
UNIT’S GROUNDED PLUG WITH AN EXTENSION
CORD OR IN AN OUTLET UNLESS ALL THREE
PRONGS CAN BE FULLY INSERTED. DO NOT OPEN
THE CABINET. THERE ARE HIGH-VOLTAGE COMPO-
NENTS INSIDE. ALL SERVICING MUST BE DONE BY
QUALIFIED NEC SERVICE PERSONNEL.
Important Safeguards
These safety instructions are to ensure the long life of your LCD
projector and to prevent fire and shock. Please read them carefully and
heed all warnings.
Installation
1. For best results, use your LCD projector in a darkened room.
2. Place the projector on a flat, level surface in a dry area away from dust
and moisture.
3. Do not place your LCD projector in direct sunlight, near heaters or
heat radiating appliances.
4. Exposure to direct sunlight, smoke or steam can harm internal
components.
5. Handle your LCD projector carefully. Dropping or jarring can dam-
age internal components.
6. Do not place heavy objects on top of the LCD projector.
7. If installing the LCD projector on the ceiling:
a. The ceiling must be strong enough to support the LCD projector
and the installation must be in accordance with any local build-
ing codes.
b. The LCD projector must be installed by qualified NEC service
personnel.
Power Supply
1. The LCD projector is designed to operate on a power supply of 100-
120 or 220-240 V 50/60 Hz AC. Ensure that your power supply fits
this requirement before attempting to use your LCD projector.
2. Handle the power cable carefully and avoid excessive bending. A
damaged cord can cause electric shock or fire.
3. If the LCD projector is not to be used for an extended period of time,
disconnect the plug from the power outlet.
Cleaning
1. Unplug the LCD projector before cleaning.
2. Clean the cabinet periodically with a damp cloth. If heavily soiled,
use a mild detergent. Never use strong detergents or solvents such as
alcohol or thinner.
3. Use a blower or lens paper to clean the lens, and be careful not to
scratch or mar the lens.
4. Clean the air filter with a vacuum cleaner after every 100 hours of
operation.
a. Clean the outside of the filter with a vacuum cleaner.
b. Do not use water or any other liquid to clean the air filter.
c. Do not operate your LCD projector without the air filter.
3. GSGV Acoustic Noise Information Ordinance:
The sound pressure level is less than 70 dB(A) according to ISO 3744 or
ISO 7779.
This symbol warns the user that uninsulated
voltage within the unit may be sufficient to
cause electrical shock. Therefore, it is dan-
gerous to make any kind of contact with any
part inside of the unit.
This symbol alerts the user that important
information concerning the operation and
maintenance of this unit has been provided.
The information should be read carefully to
avoid problems.
