
1. Precautions and Safety Notices 
 
1. SAFETY PRECAUTIONS 
This monitor is manufactured and tested on a ground principle that a user’s safety comes 
first. However, improper used or installation may cause damage to the monitor as well as 
to the user. 
WARNINGS: 
This monitor should be operated only at the correct power sources indicated on the 
label on the rear of the monitor. If you’re unsure of the power supply in you residence, 
consult your local dealer or Power Company. 
Use only the special power adapter that comes with this monitor for power input. 
Do not try to repair the monitor by yourself, as it contains no user-serviceable parts. 
Only the qualified technician can repair it. 
Do not remove the monitor cabinet. There are high-voltage parts inside that may 
cause electric shock to human bodies. 
Stop using the monitor if the cabinet is damaged. Have it checked by a service 
technician. 
Put your monitor only in a lean, cool, dry environment. If it gets wet, unplug the power 
cable immediately and consult your closed dealer. 
Always unplug the monitor before cleaning it. Clean the cabinet with a clean, dry cloth. 
Apply non-ammonia based cleaner onto the cloth, not directly onto the glass screen. 
Do not place heavy objects on the monitor or power cord. 
 
2. PRODUCT SAFETY NOTICE 
Many electrical and mechanical parts in this chassis have special safety visual inspections 
and the protection afforded by them cannot necessarily be obtained by using replacement 
components rated for higher voltage, wattage, etc. Before replacing any of these 
components read the parts list in this manual carefully. The use of substitute replacement 
parts, which do not have the same safety characteristics as specified in the parts list, may 
create shock, fire, or other hazards. 
 
3. SERVICE NOTES 
When replacing parts or circuit boards, clamp the lead wires around terminals before 
soldering. 
Keep wires away from high voltage, high temperature components and sharp edges. 
Keep wires in their original position so as to reduce interference. 
Adjustment of this product please refers to the user’ manual. 
 
Confidential - Do Not Copy VX2450W/WM-LED-1
ViewSonic Corporation