HDMI switches are the traffic lights at the intersection of all your HDMI device inputs. The HDMI switch allows all signals to be present and active, but only allows one to pass through to the TV at a time.

An HDMI switch replaces only the input switching capability of an A/V receiver. If you intend to use your TV’s on-board speakers, or if you intend to output audio from your TV to a power amp, you can avoid using an A/V receiver.

HDMI CEC (Consumer Electronics Control) also called HDMI Control, is a feature on some model AV receivers and DVD players that allows for one button control of supported system functions. This feature may also be available on other compatible devices such as TV displays.

This is likely occuring because the HDMI-CEC (Samsung – Anynet+, Sony – Bravia Sync, Panasonic – Viera Link, etc.) setting in those devices is set to ON so set it OFF in all but the 891 (ie HDMI Control). For more information or questions on your 891, join us in the Denon 891 Owner’s thread.

Connect an HDMI cable from each external video source to one of the inputs on the switch. What is this? For devices like Roku and Amazon Fire streaming sticks, simply connect them directly to the switcher input. Then run a single HDMI cable to an input port on your TV or projector.

To turn on HDMI control in the receiver, press the SETUP button on the remote, select VIDEO, then HDMI Setup. In that menu, you will be able to turn on HDMI Control. Once HDMI Control is turned on, the receiver will accept the ARC audio from the TV.

Should I Get An Automatic HDMI Switcher? As mentioned above, some HDMI switchers can automatically switch between your HDMI devices, by detecting which “feed” is active. Manual ones will have a manual button that switches between the connected devices – or a remote control that is used for the same purpose.

This is typically caused by poor-quality or damaged HDMI cables, which sometimes lead to a total signal loss. High-quality HDMI cables and an HDMI switcher with an independent power supply can rectify the problem. …

If using this function, use a TV compatible with ARC (Audio Return Channel) and enable the HDMI Control function of the TV. When “HDMI Control” is set to “On”, the “ARC” settings automatically switch “On”. link If the “ARC” settings have been changed, always reset the power to connected devices after the change.

When “HDMI Control” is set to “On”, the “ARC” settings automatically switch “On”. link If the “ARC” settings have been changed, always reset the power to connected devices after the change. Using an eARC function-compatible television enables audio playback from the speaker connected to this unit, regardless of “ARC” settings in the menu.

“Pass Through Source” can be set when “HDMI Control” is set to “On” or “HDMI Pass Through” is set to “On”. ( HDMI Pass Through link, HDMI Control link) Set whether to allow this unit to be turned on by the input source select button on the remote control when this unit is on standby.

“RC Source Select” can be set when “HDMI Control” is set to “On” or “HDMI Pass Through” is set to “On”. ( HDMI Pass Through link, HDMI Control link) You can link operations with devices connected to HDMI and compatible with HDMI Control. Use HDMI Con­trol func­tion. Do not use HDMI Con­trol func­tion.