Denon AVR-1603, AVR-683 Operating Instruction

ENGLISH, 16 LAST FUNCTION MEMORY, 17 INITIALIZATION OF THE MICROPROCESSOR

ENGLISH, 16 LAST FUNCTION MEMORY, 17 INITIALIZATION OF THE MICROPROCESSOR

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ENGLISH

16 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.

• The unit is also equipped with a back-up memory. This function provides approximately one week of memory

storage when the main unit’s power operation switch is off and with the power cord disconnected. 

17 INITIALIZATION OF THE MICROPROCESSOR 

When the indication of the display is not normal or when the operation of the unit does not shows the reasonable
result, the initialization of the microprocessor is required by the following procedure. 

2

1, 2

1

Switch off the unit using the main unit’s power
operation switch.

2

Hold the following SPEAKER A button and B
button, and turn the main unit’s power operation
switch on.

3

Check that the entire display is flashing with an
interval of about 1 second, and release your fingers
from the 2 buttons and the microprocessor will
be initialized.

NOTES:
• If step 3 does not work, start over from step 1.
• If the microprocessor has been reset, all the

button settings are reset to the default values
(the values set upon shipment from the factory).

Turning on the main unit’s power from the standby mode without using the remote control unit
• Press the power switch on the main unit while pressing the INPUT MODE button on the main unit’s panel

to turn on the power.