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10
Preparation
ˆ
Preparation
INSTALLING BATTERIES/
SETUP
Your CID requires four AAA batteries (not
supplied) to protect its memory when AC
power fails or is disconnected. For the
longest life and best performance, we
recommend RadioShack alkaline
batteries.
Cautions:
• Use only fresh batteries of the
required size and recommended
type.
• Do not mix old and new batteries,
different types of batteries (standard,
alkaline, or rechargeable), or
rechargeable batteries of different
capacities.
Follow these steps to install batteries and
program the CID.
Caution:
To avoid electrical shock, make
sure the CID is unplugged from the
telephone line and AC power before
removing the battery compartment cover.