Denon AVC-X8500H Owner's Manual page 326

Contents Connections Playback Settings Tips Appendix
o Others
Denon Link HD
Denon Link HD uses the clock of the AV amplifier connected by Denon
Link HD to achieve HDMI signal transfer with low jitter.
HDCP
When transmitting digital signals between devices, this copyright
protection technology encrypts the signals to prevent content from being
copied without authorization.
MAIN ZONE
The room where this unit is placed is called the MAIN ZONE.
Pairing
Pairing (registration) is an operation that is required in order to connect a
Bluetooth device to this unit using Bluetooth. When paired, the devices
authenticate each other and can connect without mistaken connections
occurring.
When using Bluetooth connection for the first time, you need to pair this
unit and the Bluetooth device to be connected.
Protection circuit
This is a function to prevent damage to devices within the power supply
when an abnormality such as an overload, excess voltage occurs or over
temperature for any reason.
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Front panel Display Rear panel Remote Index