• Published , by Tom Devine

Most home theatre systems (as well as commercial installations) have a mix of different kinds of displays, oftentimes with varying display resolutions. In these scenarios, you may have trouble getting all of your displays to have a good image quality, and you might even have trouble getting some displays to show any image at all! Both of these problems are commonly related to EDID.

A scaler can sometimes be necessary to solve your mixed display EDID problems, especially when you have displays that require very specific signals to meet their requested EDID information.
 In mixed systems, it may be necessary to use a scaler (like the AC-SC2-AUHD-GEN2 from AVPro Edge) to downscale a signal so that it is compatible with an older display. A scaler gives you the option to use a lower resolution display in a high-resolution distribution system without the lowest common denominator rule needing to be applied.

But what about when scaling isn’t possible?

It’s true, there may be times when you actually can’t use a scaler. As a practical example, imagine you have three 4K60 displays and one 4K30 display. In this scenario, scaling is not an option. Sending a 60hz signal to a 4K30 TV is going to result in a bad image. Conversely, a 30hz signal looks great on a 4K60 tv. This is where the copy EDID function comes in really handy. By copying the EDID from the 4K30 display, your source will send out that 30hz signal to all 4 displays, and you’ll have consistent, great looking video on each and every display.


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