Acer X193 Manuale Utente

Do not attempt to service this product yourself, as opening or removing covers may expose you to 
dangerous voltage points or other risks. Refer all servicing to qualified service personnel. 
Unplug this product from the wall outlet and refer servicing to qualified service personnel when: 

 

the power cord or plug is damaged, cut or frayed liquid was spilled into the product 

 

the product was exposed to rain or water 

 

the product has been dropped or the case has been damaged 

 

the product exhibits a distinct change in performance, indicating a need for service 

 

the product does not operate normally after following the operating instructions 

 
 

 

 

Note: Adjust only those controls that are covered by the operating instructions, since improper 
adjustment of other controls may result in damage and will often require extensive work by a 
qualified technician to restore the product to normal condition. 

The LCD unit is produced with high-precision manufacturing techniques. Nevertheless, some pixels may 
occasionally misfire or appear as black or red dots. This has no effect on the recorded image and does not 
constitute a malfunction. 

Computer users may complain of eyestrain and headaches after prolonged use. Users are also at risk of 
physical injury after long hours of working in front of a computer. Long work periods, bad posture, poor work 
habits, stress, inadequate working conditions, personal health and other factors greatly increase the risk of 
physical injury.   
Incorrect computer usage may lead to carpal tunnel syndrome, tendonitis, tenosynovitis or other 
musculoskeletal disorders. The following symptoms may appear in the hands, wrists, arms, shoulders, neck 
or back: 

 

numbness, or a burning or tingling sensation 

 

aching, soreness or tenderness 

 

pain, swelling or throbbing 

 

stiffness or tightness 

 

coldness or weakness 

If you have these symptoms, or any other recurring or persistent discomfort and/or pain related to computer 
use, consult a physician immediately and inform your company’s health and safety department. 
The following section provides tips for more comfortable computer use. 

 

Find your comfort zone by adjusting the viewing angle of the monitor, using a footrest, or raising your sitting 
height to achieve maximum comfort. Observe the following tips: 

 

refrain from staying too long in one fixed posture 

 

avoid slouching forward and/or leaning backward 

 

stand up and walk around regularly to remove the strain on your leg muscles 

 

take short rests to relax your neck and shoulders   

 

avoid tensing your muscles or shrugging your shoulders 

 

install the external display, keyboard and mouse properly and within comfort able reach 

 

if you view your monitor more than your documents, place the display at the center of your desk to 
minimize neck strain