DELL 4320 User Manual

•   Operation Mode: Allows you to select the operation mode. The two options 

are: Normal Mode and ECO Mode. 

•   Projector Mode: Allows you to select the projector mode, depending on how 

the projector is mounted. There are four projection modes: Front 

Projection-Desktop, Front Projection-Ceiling Mount, Rear Projection-

Desktop, and Rear Projection-Ceiling Mount. 

•   Source Select: The Source Select menu allows you to select your projector’s 

input source. You can select VGA-A, VGA-B, S-Video, Composite Video, 

HDMI, Wireless Display, USB Display, or USB Viewer. 

•   Video Mode: Select a mode to optimize the display image based on how the 

projector is being used:

 - Presentation: Best for presentation slides.
 -

Bright: Maximum brightness and contrast.

 - Movie: For viewing movies and photos
 -

sRGB: Provides a more accurate color representation.

 -

Custom: User-preferred settings. 

•   Blank Screen: You can select On or Off. 
•   Aspect Ratio: Allows you to select the aspect ratio to adjust how the image 

appears. 

•   Brightness: Select value 

to 

adjust the brightness of the image. 

•  Contrast: Select value to adjust the display contrast. 

Click the Auto Adjust button to adjust the settings automatically. 
Audio Control 

•   Audio Input: Select the input source. Options are: Audio-A, Audio-B, 

Audio-C, HDMI, and Wireless/LAN. 

•   Volume: Select the value (0~20) for audio volume. 
•   Speaker: Select On to enable the audio function or select Off to disable the 

audio function. 

Click the Factory Reset button to restore the factory default settings. 

Using Your Projector 

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