HT-SF1200, HT-SS1200, STR-KS1200 - Sony Audio Service Manual (repair manual). Page 8

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 [SOUND FIELD +] button, press the [

?/1

] 

button to turn on the main power. 

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

formed. 

FACTORY  PRESET  MODE
All preset contents are reset to the default setting.
Procedure:
1.  While pressing the [SOUND FIELD +] and [PRESET TUNING 

-] buttons, press the [

?/1

] button to turn on the main power. 

2.  The message “FACTORY” appears and the present contents 

are reset to the default values. 

VERSION  MODE
When this mode is used the model, the destination and the software 
version number are displayed.
Procedure:
1.  While pressing the [INPUT SELECTOR] and [PRESET TUNING 

+] buttons, press the [

?/1

] button to turn on the main power. 

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

appear. 

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 [PRESET TUNING +] and [PRESET 

TUNING -] buttons, press the [

?/1

] button to turn on the main 

power. 

2.  All segments and [VIDEO 1], [DVD], [TV] LEDs turn on.
3.  Press the [INPUT SELECTOR] button. 
4.  Half of segments and [DMPORT], [VIDEO 2/BD], [SA-CD/

CD] LEDs turn on.

5.  Press the [INPUT SELECTOR] button once again. 
6.  Others half of segments and [SAT], [TUNER] LEDs turn on.
7.  Press the [INPUT SELECTOR] button once again. 
8.  Segments of “EQ” turn on.

KEY  CHECK  MODE
This mode is used to check the key.
Procedure:
1.  While pressing the [MUTING] and [PRESET TUNING -] but-

tons, press the [

?/1

] button to turn on the main power. 

2.  The message “REST 06” 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.
(Not used for the servicing)
Procedure:
1.  While pressing the [SOUND FIELD -] and [MUTING] but-

tons, press the [

?/1

] button to turn on the main power. 

2.  The message “SWAP” appears.
3.  In this state, when the audio signal of two channels is input, the 

audio is output from all channels.

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 [PRESET TUNING -] and [SOUND FIELD -] 

buttons, press the [

?/1

] button to turn on the main power. 

2. The message “CLEARING” appears, then the message 

“CLEARED” appears.

PROTECTOR  AUTO  OFF MODE
When this mode is used, a protector on state is maintainable.
Procedure:
1.  While pressing the [SOUND FIELD +] and [INPUT SELECTOR] 

buttons, press the [

?/1

] button to turn on the main power.

2.  The message “PROTEVER” appears.

VACS  OFF  MODE
This mode is used to switch off the VACS (Variable Attenuation 
Control System).
Procedure:
1.  Press the buttons of standard commander (RM-AAU017) (PART 

No.: 1-480-099-21) in order of [DISPLAY] 

→ [DISPLAY] → 

[DISPLAY] 

→ [MASTER VOL +] → [3].

2.  The message “VACS OFF” appears and the switch off the 

VACS. 

 
DCAC  TEST  MODE
When this mode is used, each function of the DCAC board is 
tested.
(Not used for the servicing)
Procedure:
1.  While pressing the [MUTING] and [INPUT SELECTOR] but-

tons, press the [

?/1

] button to turn on the main power.

2.  The message “MIC ON” appears. 
3.  In this state, the output level of the speaker can be adjusted by 

using the input analogue signal that passes the DCAC MIC.