UMP (Unified Media Platform)

12.6 Using the Screen Resolution utility

 

The UMP provides a special utility to change the screen resolution, but that’s not all that it does. The UMP ResTool handles the desktop resolution, sets the MPlayer output parameters and makes the transition seamless, except for the restart of the graphics subsystem when the ResTool exits.

 

To open the UMP ResTool, select Adjust Screen Resolution from the Commands Menu in the OSD or open the QuickMenu in the Desktop Mode and select it from the System menu.

 

You can select a number of preset resolutions on the right hand side in the drop down menu or enter the height and width manually. Note that this application is not EDID/DDC aware, and therefore lists resolutions that may not be compatible with your display device.

Always check the specifications of the display device that you wish to connect, and confirm that your selected settings are fully supported.

Setting an incorrect display mode can cause permanent damage to the display device!

 

 

Note that not all resolutions are ‘natively’ supported by the OSD. The following overview indicates the modes, and their individual limitations:

 

 

Resolution

OSD View

OSD Video

Desktop Resolution

240x150

640x480, scaled

640x480, scaled

240x150

320x240

640x480, scaled

640x480, scaled

320x240

640x400

640x480, scaled

640x480, scaled

640x400

640x480

640x480, native

640x480, native

640x480

720x400

800x600, scaled

800x600, scaled

720x400

800x600

800x600, native

800x600, native

800x600

856x600

800x600, scaled

800x600, scaled

856x600

1024x512

800x600, scaled

800x600, scaled

1024x512

1024x768

1024x768, native

1024x768, native

1024x768

1024x1024

1024x768, scaled

1024x768, scaled

1024x1024

1152x864

1024x768, scaled

1024x768, scaled

1152x864

1280x1024

1024x768, scaled

1024x768, scaled

1280x1024

1600x1200

1024x768, scaled

1024x768, scaled

1600x1200

1920x1088

1024x768, scaled

1024x768, scaled

1920x1088

 


 

12.6 Using the Screen Resolution utility (continued)

 

If you launch MPlayer in the Desktop Mode instead of the OSD, it will use the selected resolution, instead of the resolution imposed by the OSD. This means you can effectively play back a video at resolutions of less than 640x480 or more than 1024x768.

 

Please note that video playback, games or rendering web pages may become slow, unresponsive or jerky at very high resolutions. The device was designed to be used at 640x480 or 800x600 (converted to 720x576/720x640) for analog (composite, S-video) outputs or 1024x768 for VGA outputs.

 

Note that if you have video material which does not play back smoothly at the desired desktop resolution, you can re-encode the problematic file into a compatible bitrate/resolution/codec, etc.

 

Resolutions lower than 640x480 (>= 800x600 recommended) may not support all applications properly, such as the V-Keyboard, Web Browser, game emulators, IM Client or PDF Reader.

 

You can reset the resolution to 800x600 by selecting the ‘reset_resolution’ Helper in the Web Interface under Plugins -> Helpers or by selecting the Set Defaults button if you can still see the desktop and applications.

 

To avoid the inherent restart of the graphics subsystem when you exit the UMP ResTool you can select the close button in the TitleBar. Any settings you made with the Set Resolution button will be applied when the device is restarted or when you select restart_gui from the Helpers page under Plugins -> Helpers in the Web Interface.