Test Mode - Sony GTK-XB5 Service Manual

SOFTWARE VERSION
It can check the information of current software version.
Procedure:
1. Press the [ ] button to turn the power on.
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2. Press two buttons of the [FUNCTION] and [LIGHT] simulta-
neously for 5 seconds.
3. Each software version are shown by the blinking frequency of
LEDs simultaneously.
Example:
When the MCU version is "Ver.16", the [ ] LED blinks 1 time,
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the [EXTRA BASS] LED blinks 6 times.
When the BT version is "Ver.1.12", the [ADD L] LED blinks 1
time, the [ADD R] LED blinks 1 time, the [PARTY CHAIN] LED
blinks 2 times.
FACTORY RESET
It can reset all settings and clear the Bluetooth linked list. Execute
this mode when returning the this unit to the customer.
Procedure:
1. Press the [ ] button to turn the power on.
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2. Press two buttons of the [FUNCTION] and [−] simultaneously
for 5 seconds.
3. Three LEDs of the [ ], [ ] and [AUDIO IN] blink for 3 sec-
1
onds, and then become the standby mode.
GTK-XB5
SECTION 3

TEST MODE

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GTK-XB5