HT-K250, STR-VE250 - Sony Audio Service Manual (repair manual). Page 6

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* DSP communication parameter swap mode is set when this mode

is activated.

Procedure:
While depressing the  DISPLAY POSITION  and the  SOUND FIELD V
buttons simultaneously, press the  ?/1  button to turn on the main power.
1. The message “DSP TEST” is displayed.
2. Press the VOL/PRESET TUNING button, the message “SWAP

ALL” is displayed and DSP swap mode is set to ALL.

3. Press the VOL/PRESET TUNING button, the message “SWAP

CSW” is displayed and DSP swap mode is set to CSW.

4. Press the VOL/PRESET TUNING button, the message “SWAP

SLR” is displayed and DSP swap mode is set to SLR.

5. Press the VOL/PRESET TUNING button, the message “SWAP

NRM” is displayed and DSP swap mode is set to OFF.

6. To exit from this mode, press the  ?/1  button.

* All keys (without the  ?/1  button) are tested when this mode is

activated.

Procedure:
While depressing the  MUTING  and the  SOUND FIELD v
buttons simultaneously, press the  ?/1  button to turn on the main
power.
1. The message “123456” is displayed. If the button correspond-

ing to the following number is pressed, the number on the dis-
play will be turned off.

2. To exit from this mode, press the  ?/1  button.

Key numbers
1 :  DISPLAY POSITION ,
2 :  MUTING ,
3 :  VOL/PRESET TUNING ,
4 :  INPUT SELECTOR ,
5 :  SOUND FIELD v ,
6 :  SOUND FIELD V