JVC RA-F11B Instruction Manual page 41

or If you have a pacemaker fitted or during the
electrical storm.
The marking plate is located on the back of the
apparatus.
Battery handling and usage
Only adults should handle the batteries (not
included). Do not allow a child to use this unit unless
the battery cover is securely attached to the unit.
The battery type used in the unit is 2 AAA size
batteries which are accessible and can be replaced.
Remove the battery cover from the back of the unit
and then remove the batteries.
40
This mark is applied to show the
equipment conforms to European radio
equipment directive.