User's Manual

Page 6
BACKUP BATTERY REPLACEMENT (Model USI-1208 only)
Disconnect AC power before changing battery. Shock hazard exists if AC power is miswired.
The smoke alarm uses a 9 Volt carbon-zinc battery. The battery should last for at least one year
under normal operating conditions. The smoke alarm has a low battery indicator, an audible "beep."
It will operate at 30-40 second intervals for a minimum of 7 days. When this indication occurs,
replace the battery with an Alkaline type Eveready Energizer #522, Duracell #MN1604), Carbon-
Zinc type (Gold Peak #1604P, Eveready #216).
Push and lift the battery door latch and remove the battery from the battery door. While observing
polarity, push the replacement battery into the battery door until it is held securely in place. Carefully
close and latch the battery door.
REPAIRS AND SERVICES
The smoke alarm contains less than 1 microcurie (37 kilobecquerel) of Americium 241, a radioactive
material. The distribution of these ionization-type smoke alarms is licensed by the U.S. Nuclear
Regulatory Commission; the consumer is exempt from any licensing or requirements. If the
smoke alarm is defective in any way, do not tamper with the unit. Return the unit for servicing. (See
warranty for instructions or in-warranty returns.) There will be a service charge for repairing out of
warranty units.