Hitachi BTN1 Owner's Manual page 4

WARNING:
This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential instal-
lation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio
communications.
However, there is no guarantee that interference will not occur
in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of
the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment to an outlet on a circuit different from
that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician
for help.
CAUTION: This speaker unit's battery pack is not user replaceable.
Risk of explosion if battery is replaced by an incorrect type.
Dispose of used batteries according to the "E-WASTE/RECY-
CLE NOTICE".
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