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8
PREPARATION
INSTALLING BATTERIES
Your system uses two AAA batteries to maintain information
in memory during power failures. For the longest operation
and best performance, we recommend you use alkaline bat-
teries such as RadioShack Cat. No. 23-555.
Cautions:
• Use only fresh batteries of the recommended size and
type.
• Do not mix old and new batteries, different types of bat-
teries (standard, alkaline, or rechargeable), or recharge-
able batteries of different capacities.
• When you replace the batteries, have fresh batteries on
hand before you begin. You must install fresh batteries
immediately after removing the old batteries; otherwise,
you might lose the information stored in the system.
• When you replace the batteries, do not press any but-
tons on the system after you remove the old batteries.
Doing so might erase all stored information from the sys-
tem.
• Never leave dead or weak batteries in the system. Bat-
teries can leak chemicals that can destroy electronic cir-
cuits.
• Dispose of old batteries promptly; do not bury or burn
them.
43-971.fm Page 8 Monday, August 16, 1999 4:12 PM