Sony MDX-C6400R Operating Instructions Manual page 26

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,
open the front panel by pressing (OPEN), then
detach it and clean the connectors with a
cotton swab dipped in alcohol. Do not apply
too much force. Otherwise, the connectors may
be damaged.
Back of the front panel
Notes
• For safety, turn off the engine 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.
26
Main unit
Replacing the lithium battery
When the battery becomes weak, the range of
the card remote commander becomes shorter.
Replace the battery with a new CR2025 lithium
battery.
x
Notes on 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.
WARNING
Battery may explode if mistreated.
Do not recharge, disassemble, or dispose of
in fire.
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