2E F2723B, Руководство пользователя, Страница: 10 / 32

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EN
Troubleshooting
Problem Solution
Power cannot be turned on
Check that both ends of the power cable are plugged into the socket
appropriately and the wall socket is operational
No Input signal message
Check that the signal line is connected properly.
Check that the power of the relevant peripherals is turned on.
Check that the Input option tnat has been selected matches with the
input signal.
Image colour or quality
deteriarates Check that all the video settings are adjusted appropriately, such
as brightnešs, contrast, colour etc.
Display warning message
Check that the input signal line is properly fixed.
Select the correct input signal source
Additional information
The production date is encrypted in the serial number in the format
ERC2E *** YYYYMMDD *******
, where:
YYYYMMDD
- year, month and day of production.