Dialogue Technology Corporation A33IG Manuel D’Utilisation

The computer outputs the display on an 8.9" LTPS TFT LCD screen. 
The screen offers you a delicate true color (32-bit color), wide-XVGA 
(1024 x 600 resolution) display quality. Besides,

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The display system offers you OSD (On Screen Display) function to 

display the settings of some hot keys while pressing the keys. For 
example, when you press Fn + F1 (Increases screen brightness), 
the screen will display:

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The display output can be switched to an external display device.

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The display color, resolution and orientation can be changed.

Adjusting display brightness

You can use hot keys to increase and decrease the display brightness. 
Please see Keyboard section.

Switching display output to an external display 
device

Also use hot keys to switch the display output to a VGA display device 
or video display device after making a connection. Please see 
Keyboard section.