Test Mode - Sony DSX-A50BT Service Manual

SETTING THE TEST MODE
Setting method:
1. Press the [SOURCE/OFF] button for 1 second to turn the pow-
er off.
2. Press the [4] o [5] (remote commander) o [1] buttons se-
quentially (the [1] button is pressed for two seconds).
3. 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 [2] button is pressed ("ALBM" is displayed in
the liquid crystal display).
LOOP BACK ALBM
ON Lit
OFF None
DSX-A50BT
SECTION 4

TEST MODE

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DSX-A50BT