Samsung p1980 Mode D'Emploi

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Installing the Product
2-4
Switches the LCD Display On/Off.
 
Supplied for the wide models only such as 16:9 or 16:10.
 
 
When the product is connected to a PC, you can turn the product on and use it.
When both the DVI (<digital>) and D-Sub (<analog>) cables are connected, you can select the input signal (Analog/Digital ) 
by pressing the [ 
 ] button.