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• The battery door is fully closed. Ensure that no foreign
object such as hair is caught in the battery door when it
is closed.
• After exposure to water, sweat or dust, the device is
cleaned and dried.
• The CROS device is used and maintained as described in
this user guide.
Use of your CROS device around water can restrict
air flow to the batteries causing it to stop working.
Should your CROS device stop working after
coming into contact with water, refer to the
troubleshooting steps in chapter 13.