Denon AVR 4806 - AV Receiver Operations Instructions download pdf (Page 86)

Advanced Operation

Initialization of the Microprocesssor

• In very rare instances, the AVR-4806 internal microprocessor

might lock up, or otherwise cause mis-operation. This might

be caused due to an AC line surge or line spike noise, or by

static electric discharge on or nearby the unit, or to

connected components. If the condition cannot be corrected

by powering off the unit, including disconnection of the

power supply cord for a period of ten minutes and

subsequent re-connection, then the unit may have to be re-

initialized. Doing so will restore the microprocessor to its

original out-of-the-box state, with all custom memories and

settings erased, and the original factory default settings

restored. Only use this procedure if you are sure that the

microprocessor requires re-initialization.

Switch off the unit using the main unit’s

POWER switch.

Hold the following PURE DIRECT button and

DIRECT/STEREO button, and turn the main

unit’s

POWER switch on.

Check that the entire display is flashing with

an interval of about 1 second, and release your

fingers from the 2 buttons.

• The microprocessor will be initialized.

• If step 3 does not work, start over from step 1.

•If the microprocessor has been reset, all the settings are

reset to the default values (the values set upon shipment

from the factory).

POWER DIRECT/STEREO

PURE DIRECT

Last Function Memory

• This unit is equipped with a last function memory which

stores the input and output setting conditions as they were

immediately before the power is switched off.

This function eliminates the need to perform complicated

resetting when the power is switched on.

• The unit is also equipped with a back-up memory. This

function provides approximately one week of memory

storage from when the main unit’s power switch is off and

with the power supply cord disconnected.

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Denon AVR 4806 - AV Receiver Operations Instructions Page 86