4x3 Aspect Ratio Check




 

 *The THX Optimizer test signals displayed are for reference use only. Be sure to check your equipment's operations manual or refer to your service technician before making any internal adjustments on your monitor.

The 4:3 aspect ratio circle and boxes will determine your video monitor's alignment for a 4:3 aspect ratio display.

For 4:3 television sets:
You should be able to see two rectangles and a perfect circle centered horizontally and vertically on your screen. This test can indicate a misaligned deflection coil as well. If your monitor displays the test pattern off to one side, this would indicate an improper centering adjustment. If you can not see the outer rectangle, the monitor is not sized properly to the point where you actually are missing parts of the picture. You will also be able to determine the areas of your monitor where the display is not consistent - the lines of the rectangle should be perfectly straight while the circle should be perfectly round. Wavy lines or squeezing of the circle indicate problems with the display.

Using the 4:3 signal for 16:9 television sets:
The 4:3 circle test should normally be used first to align your monitor's horizontal and vertical sizing before setting the 16:9 aspect ratio sizing. In most consumer monitors, the 16:9 sizing controls are switched in-line with the 4:3 controls, making the adjustment interactive between the two modes; the 4:3 settings affect the display of the 16:9 setting, and vice versa. For this test, set your monitor to 4:3 mode. You should see two rectangles and a perfect circle centered horizontally and vertically on your screen. This test will tell you if your monitor displays the 4:3 mode properly centered. As in the previous test, you will be able to determine the areas of your monitor where the display is not consistent - the rectangle's lines should be perfectly straight while the circle should be perfectly round. Wavy lines or squeezing of the circle indicate problems with the display.

Check with your service technician before attempting to make any adjustments on you home theater equipment. Although you can't fix any existing display errors without the help of a service technician, it is important to provide enough information to the service technician so they may arrive prepared.

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4:3的宽高比检验

*THX Optimizer 测试信号仅供参考。在调节你显示器之前,请先核对参考手册或求助于技术支持。

圆和矩形可以检验你的显示设备是否符合4:3的宽高比。

4:3电视调整步骤:
你可以看见两个矩形和屏幕正中的一个标准圆形。这可以测试出显示器的偏转误差。如果中心调节不正确,测试图形就会偏向一侧。如果重显大小调节不正确,会有一部分图象显示不出,外面的矩形就看不见。如果显示器有变形,矩形的边就不是直线,而是扭曲的直线,圆形也不是正圆,而是压扁的圆形。

使用4:3信号调整16:9电视 的步骤
在进行16:9宽高比调节前,一般都会使用4:3的信号圆校准显示器的宽高。大多的消费类显示器,16:9的尺寸调节和4:3的尺寸调节是相关的;4:3的设置影响到16:9的设置,反之矣然。测试时,先把显示器转换到4:3模式。你可以看见两个矩形和屏幕正中的一个标准圆形。这可以判断你的显示器4:3模式是否置中。显示器有变形的部分,矩形的边就不是直线,而是扭曲的直线,圆形也不是正圆,而是压扁的圆形。

 
当你对你的设备调节之前,请先和你的服务商联系。虽然你修理不了任何你发现的显示问题,但重要的是,你可以提供服务商足够的信息,让他们能有备而来。

 

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