DSX-A60BT - Sony Car Audio Service Manual (repair manual). Page 11

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DSX-A60BT
11
SECTION  4
TEST  MODE
SETTING  THE  TEST  MODE
Setting method:
1.  In the state of source off (the clock is displayed on the liquid 
crystal display), enter the test mode by pressing the buttons on 
the remote commander in order of the [4] 
t [5] t [1] (press 
only the [1] button for two seconds).
2.  It is set to the test mode, and all segments of the liquid crystal 
display light.
Releasing method:
Press the [SOURCE
   
OFF] button for 1 second.
MICROPHONE  AUDIO  LOOPBACK
To confi rm the state of the internal microphone used when a 
handsfree function is used, the microphone audio is output from 
the speaker.
The breakdown judgment of the microphone can be done without 
connecting H/F with the cellular phone.
Procedure:
1.  Enter the test mode.
2. Press the [SOURCE
   
OFF] button to select the Bluetooth 
Phone function.
3.  On/off of the microphone audio loopback function changes 
whenever the [ALBUM v 2] button is pressed (“ALBM” is 
displayed in the liquid crystal display).
LOOP BACK
ALBM
ON
Lit
OFF
None
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