Grundig xentia lxw 102-8625 ref User Manual

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Trouble shooting Tips
Supported Display Modes
Maintenance and Service
55
Problem
Action
Remote controller does not work.
1. Check if main power is On.
2. Check that the batteries of the remote controller were
loaded properly.
3. Check to see if any obstacle exists between the LCD
TV and the remote controller and remove it, if any.
4. If the batteries have no power, replace them with two  
new batteries.
5.Please check out current mode of fnuction key.
LCD TV makes strange noise. 
It is the noise when the mechanism expands or contracts
from to changes to the environment due to factors such
as humidity, temperature, etc. It is not a failure.
LCD TV indication lamp is On.
The red means the Stand-by power is ON. It will take a
few seconds to turn off as the main power is off.
This LCD TV is for household use and registered as suitable on electromagnetic waves. 
Therefore, you can use it in every location as well as residential areas.
For improvement of product's quality, program can be upgrade without costomer's agreemant.
Others
If any signal of unsupported resolution is input, the "Out of Range" message appears.
Considerations in Installation
PC mode
Resolution
Horizontal Frequency (KHz)
Vertical Frequency (Hz)
31.47
60
37.86
72
37.50
75
31.47
70
35.15
56
37.88
60
48.88
72
46.88
75
48.36
60
56.48
70
60.02
75
64.0
60
640
×480
720×400
800×600
1024×768
1280×1024