7
In the Phone
(Optional) Insert 4 AA alkaline batteries (not supplied) in the battery
compartment with correct polarities. When appears or the display dims,
replace the batteries.
In the Pendant
Your pendant comes with one 12 V A23 battery, when
the LED on the pendant dims, replace the battery.
Use a screwdriver to open the battery cover, insert
a new battery with correct polarity, and replace the
battery cover.
Battery Notes
• Replace batteries quickly to save records.
• Use only fresh batteries of the required size and recommended type.
• Do not mix batteries of different sizes or chemistries.
• Always remove old or weak batteries. Batteries can leak chemicals that
can damage electronic parts.
• The PT3802 Big Button Emergency Phone will work during a power
failure. The 4 AA batteries (not included) will provide 30~40 hours of
back up time.
Installing Batteries
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