Read Sony DSX-A55BT / DSX-A55BTE Service Manual online
DSX-A55BT/A55BTE
17
SECTION 4
TEST MODE
SETTING THE TEST MODE
Setting method:
1. In the state of source off (the clock is displayed on the liquid
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
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
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.
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
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).
displayed in the liquid crystal display).
LOOP BACK
ALBM
ON
Lit
OFF
None
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