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It is strongly recommended that a 9-Volt battery be installed into
the unit, as directed below, in order to activate this product’s
Battery Backup feature. In the event that the AC power cord is
disconnected or a power failure or other interruption occurs, the
Battery Backup will maintain clock and alarm settings for the life
of the battery. During any interruptions the clock display will be
blank, but time and alarm settings will be saved and automatically
restored when AC power is again active.
To install the battery:
1. Open the battery compartment
cover.
2. Install one 9-Volt battery
(alkaline is recommended for
longer life), making sure that the
large terminal matches to the
large outlet.
The Battery Backup Indicator LED is located in the
lower-right-hand corner of the display. The LED will light when
no battery is installed, or when the installed battery is low on
power.
After installing the battery and reading the Maintenance notes,
plug the AC power cord into an outlet, being sure to match the
wide blade of the plug to the wide slot of the outlet. Never force
the plug into an outlet. When the unit is connected to AC power
for the first time, the display may blink until the time is set.
Note: You should replace the battery every six months, or after
any extended power outage that could drain the battery power.
2
Battery Compartment
Battery Backup Installation