Maintenance – Sony MEX-BT3700U Manuel d'utilisation

Page 25

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25

– While talking on the phone hands free, noise

may occur, depending on the device or
communication environment.

• Depending on the device to be connected, it may

require some time to start communication.

Others

• Using the Bluetooth device may not function on

cellular phones, depending on radio wave
conditions and location where the equipment is
being used.

• If you experience discomfort after using the

Bluetooth device, stop using the Bluetooth device
immediately. Should any problem persist, consult
your nearest Sony dealer.

If you have any questions or problems concerning
your unit that are not covered in this manual, consult
your nearest Sony dealer.

Maintenance

Replacing the lithium battery of the
card remote commander

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.

Should the battery be swallowed, immediately
consult a doctor.

Wipe the battery with a dry cloth to assure a good

contact.

Be sure to observe the correct polarity when

installing the battery.

Do not hold the battery with metallic tweezers,

otherwise a short-circuit may occur.

Fuse replacement

When replacing the fuse, be
sure to use one matching the
amperage rating stated on the
original fuse. If the fuse blows,
check the power connection and
replace the fuse. If the fuse
blows again after replacement,
there may be an internal
malfunction. In such a case,
consult your nearest Sony
dealer.

Cleaning the connectors

The unit may not function properly if the connectors
between the unit and the front panel are not clean. In
order to prevent this, detach the front panel (page 7)
and clean the connectors with a cotton swab. Do not
apply too much force. Otherwise, the connectors
may be damaged.

Notes
For safety, turn off the ignition before cleaning the

connectors, and remove the key from the ignition
switch.

Never touch the connectors directly with your fingers

or with any metal device.

1

2

+ side up

c

WARNING

Battery may explode if mistreated.
Do not recharge, disassemble, or dispose of
in fire.

Fuse (10 A)

Main unit

Back of the front
panel

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