Sony STR-K990 매뉴얼

Connect the AC power cord to a wall outlet.

Before using the receiver for the first time, 
initialize the receiver by performing the 
following procedure. This procedure can also 
be used to return settings you have made to 
their factory defaults. 
Be sure to use the buttons on the receiver for 
this operation.

Press ?/1 to turn off the 
receiver.

Hold down ?/1 for 5 seconds.

“PUSH” and “ENTER” appears on the 
display alternately.

After “CLEARING” appears on the 
display for a while, “CLEARED” 
appears.
The following items are reset to their 
factory settings.
• All settings in the LEVEL, TONE, 

SUR, TUNER, AUDIO, VIDEO and 
SYSTEM menus.

• The sound field memorized for each 

input and preset station.

• All sound field parameters.
• All preset stations.
• All index names for inputs and preset 

stations.

• MASTER VOLUME is set to “VOL 

MIN”.

• Input is set to “DVD”.

SURROUND

CENTER

AC power cord 

To the wall outlet

?/1