Dahua D-LM22-B200 Manuale d'uso - Pagina 13
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1
Switch to another channel or input.
2
Check whether the audio signal line is connected.
3
Check whether the video signal line is connected.
4
Interference from by other electric appliance may be present.
5
Adjust fine tuning setting.
6
Adjust luminance setting.
7
Adjust contrast ratio setting.
8
Adjust color setting.
9
Check whether the system is set-up properly.
10
Check whether the power is on.
Inspector：
Inspector date：
The product accords with the technical criteria and is allowed to sell
Fix
certificate of approval
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