ATEN VP1420, User Manual

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Chapter 4. Remote Operation
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
To switch the source for the display, click on one of the listed sources.
The assigned source is highlighted green.

To rename the source, click .

CEC: Consumer Electronics Control (CEC) allows for control of devices
connected through HDMI ports to communicate with each other and makes
the control of these devices using one remote control device possible. This
setting is enabled by default.

Scaler Up: To automatically scale the resolution of a 1080p source up to
4K, select Auto . For a list of supported upscaling resolutions, see
Specifications , page 103 .

Scaler Down: To automatically scale the resolution of a 4K source down to
1080p, select Auto . For a list of supported downscaling resolutions, see
Specifications , page 103 .

Auto Switching (Plugged): Defines the automatic switching of audio-
video source on Display A when a new source is plugged in.

Disable: Disable automatic switching.

Next: Automatically switches to the newly plugged-in source.

Auto Switching (Unplugged): Defines the automatic switching of video
source on Display A when a previously used source goes detected.

Disable: Disable automatic switching.

Next: Automatically switches to the next available source when the
current video source is plugged out.

Last: Automatically switch the display to the previous available source
based on the order of source connection. For example, if sources are
connected to the VP1420 / VP1421 in the order of port 2, port 3, port 4
and then port 1, and that Display A is switched to port 3, when the
source (port 3) is unplugged, Display A will automatically switch to port
2.
Apply vs. Auto Apply
To automatically apply the changes you make on the Video Control page, select
Auto apply at the bottom of the page.