MEX-BT5100 - Sony Car Audio Service Manual (repair manual). Page 5

FACTORY  SHIPMENT  MODE
Even if the set is reset, bluetooth system menu setting, connected 
registration equipment, and telephone book function, etc. recorded 
in the fl ash memory are not initialized. It is necessary to execute 
factory shipment mode to initialize them.
Procedure:
1.  Turn off the setting of the bluetooth signal, and power supply 

is turned off.

2.  Press the [4] t [5] t [1] ([1] is pressed for two seconds) 

button of the set sequentially, and enter the test mode.

3.  Press the [1] button for two seconds of the set, and the DIAG 

information is initialized.

4.  Press the [6] button for two seconds of the set, and the blue-

tooth setting item preserved in NOR FLASH is initialized.

5.  Press the [OFF] button of the set, and the test mode is made 

clear. At this time, the memory of the tuner is initialized.

6.  The power supply code is removed and the power supply is 

turned off, and the power supply will be turned on again in one 
minute. At this time, the tuner preset, and EQ3 setting value, 
etc. are initialized.

RELEASING  THE  DISC  SLOT  LOCK
The disc slot lock function for the antitheft of an demonstration 
disc in the store is equipped.
Releasing Procedure :
1.  Power supply is turned off.
2.  Enter the Jog daial to the left, and enter the Jog daial to the 

right, and press the [1] t [2] ([2] is pressed for two seconds) 

button of the set sequentially, and disc slot is unlocked.

SECURITY
To lock the personal information in the following menus by setting 
a 4-digit password.
“Dialed Calls,” “Received Calls,” “Phonebook,”
“Preset Dial,” “Receive PB”
If you set the security, “Security Locked” appears when the above 
menus are operated.
To unlock the security, select “Unlock” and input the password 
number.

TEST  DISCS
Use following TEST DISC whan this set confi rms the operation 
and checks it.

3-702-101-01 YEDS-18 

(for 

CD)

4-225-203-01 

PATD-012 (for CD)

J-2502-063-1 

TCD-R082LMT (for CD-R)

Under normal conditions, the battery will last

approximately 1 year. (The service life may be

shorter, depending on the conditions of use.)

When the battery becomes weak, the range of the

card remote commander becomes shorter. Replace

the battery with a new CR2025 lithium battery. Use

of any other battery may present a risk of fire or

explosion.

Notes on the lithium battery
• Keep the lithium battery out of the reach of children.

• Wipe the battery with a dry cloth to assure a good

• Be sure to observe the correct polarity when

• Do not hold the battery with metallic tweezers,

D

WARNING
Battery may explode if mistreated.

Do not recharge, disassemble, or dispose of

in fire.