2E C3220B - Инструкция по эксплуатации - Страница 11

– 11 –

EN

Troubleshooting

Phenomenon

Troubleshooting

1. Light out/power indicator 
light is off

Check whether the display and the socket are well connected to power, 
and whether the display is in the shutdown mode.

2. Image blurring, over-large, 
over-small, etc.

Enter the menu “Image Setting” and select “Auto Image Adjust” to 
automatically adjust the display.

3. Image over dark

Enter the menu “Brightness and Contrast” to adjust the brightness and 
contrast of the display.

4. Display over heat

Leave at least 5cm of distance for ventilation around the display and do 
not place articles on the display.

5. Dark/ light spots when 
powering on

This is a normal phenomenon. It is due to the backlight illuminates 
unevenly at the initial phase of powering on caused by temperature 
difference. The backlight can illuminates normally after 20 minutes, and 
then the dark/light spots will be corrected.

6. Image distortion, blinking, 
shaking

Check computer setting, select the correct resolution and re-adjust the 
refresh frequency.

7. Power off noise

It is a normal phenomenon caused by display discharging in the process of 
powering off.

Additional information

The production date is encrypted in the serial number in the format

ERC2E *** YYYYMMDD *******

, where: 

YYYYMMDD

 - year, month and day of production.