HT-DDWG800, STR-KG800 - Sony Audio Service Manual (repair manual). Page 12

FL  CHECK  MODE
All fl uorescent segments are tested. When this test is activated, all 
segments turn on at the same time, then each segment turns on one 
after another.
Procedure:
1.  When pressing the [TUNING MODE] and [DISPLAY] but-

tons, press the [

?/1

] button to turn on the main power. 

2.  All segments turn on.

3.  Turn the [INPUT SELECTOR] dial. 
4.  Test pattern 1 turn on.

5.  Turn the [INPUT SELECTOR] dial once again. 
6.  Test pattern 2 turn on.

7.  Turn the [INPUT SELECTOR] dial once again. All segments 

turn off. 

8.  Every turning of the [INPUT SELECTOR] dial turns on each 

segment one after another on the same order.

S.F.  CLEAR  MODE
The preset sound fi led is cleared when this mode is activated. Use 
this mode before returning the product to clients upon completion 
of repair.
Procedure:
1.  While pressing the [2CH] button, press the [

?/1

] button to turn 

on the main power. 

2.  The message “S.F CLR.” appears and initialization is per-

formed. 

VERSION  CHECK  MODE
When this mode is used the model, the destination and the software 
version number are displayed.
Procedure:
1.  While pressing the [SPEAKERS (ON/OFF)] and [DISPLAY] but-

tons, press the [

?/1

] button to turn on the main power. 

2.  The model, the distination and the software version number 

appear. 

KEY  CHECK  MODE
This mode is used to check the key.
Procedure:
1.  While pressing the [SPEAKERS (ON/OFF)] and [2CH] but-

tons, press the [

?/1

] button to turn on the main power. 

2.  The message “REST 13” appears.
3.  Every pressing of any button other than the [

?/1

] button counts 

down the buttons. The buttons which are already counted once 
are not counted again.

4.  When all buttons are pressed, the message “REST 00” ap-

pears.

SWAP  ALL MODE
When this mode is used, output the audio signal of front L/R chan-
nel to all channel.
Procedure:
1.  While pressing the [MEMORY/ENTER] and [DISPLAY] but-

tons, press the [

?/1

] button to turn on the main power. 

2.  The message “DSP TEST” appears.
3.  Press the [AMP MENU] button on the remote commander, and 

the message “9_DSPTST” appears.

4.  Press the [

b] button on the remote commander to enter the 

DSP test mode menu.

5.  Press the [

v] button on the remote commander twice to enter 

the swap mode, and the message “SWP.AUTO” appears.

6.  Press the [

b] button on the remote commander twice to select 

“SWP.

[]ALL”.

SHIPMENT  MODE
All preset contents are cleared when this mode is activated.  Use 
this mode before returning the product to clients upon completion 
of repair.
Procedure:
1.  While pressing the [SPEAKERS (ON/OFF)] and [MUSIC] but-

tons, press the [

?/1

] button to turn on the main power. 

2.  The message “CLEARING” appears.

DCAC  FACTORY  TEST  MODE
DCAC Factory Test mode have two stages:
1.  DCAC DSP Data Line Checking 
2.  DCAC board Checking

1.  When power off :
 

While pressing the [MEMORY/ENTER] and [MOVIE] but-
tons, press the [

?/1

] button to turn on the main power.

 

“DCAC FTM” appears.

 

Afterward, press the [TUNING MODE] to start DCAC factory 
test mode.