Panasonic TH-65EZ1000U Ehelp page 241

Note
These functions may not work properly depending on the connected
●
equipment.
Image or sound may not be delivered for the first few seconds when the
●
input mode is switched.
"HDAVI Control 5" is the newest standard for HDAVI Control compatible
●
equipment. This standard is compatible with conventional HDAVI
equipment.
To confirm the HDAVI Control version of this TV
●
Support > Help menu > Using Help menu
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