Tokai TCP-137 Manual De Instrucciones página 14

12. Class 1 LED product.
POWER CONNECTION
Plug the AC power cord to a household outlet AC source. This unit is equipped
with a battery backup system, it requires a 3V CR2032 flat lithium battery
(not included). Insert the battery in the battery compartment, making certain
that the positive and negative (+ and -) battery terminals are attached to the
corresponding terminals on the plate in the battery compartment. If an AC power
failure occurs, the clock automatically switches to the battery power supply, the
clock and timer memory continue running. When the AC power resumes, the
clock switches back to AC again.
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