Install batteries (optional)
If a power outage occurs, charged batteries ensure
that amplication, tone control and the SOS feature
continue to function.
on the screen indicates that the phone is not
connected to AC power and the battery is low.
Battery safety
Follow these warnings to avoid explosive or caustic
reactions.
WARNING: Use ONLY rechargeable batteries.
Non-rechargeable batteries can cause
explosion or re.
WARNING: Insert batteries according to the
marked polarity symbols.
WARNING: Do not mix battery brands, battery
types (chemistries) or exhausted/full batteries.
WARNING: Do not attempt to recharge a
battery unless it is marked “rechargeable.”
WARNING: Immediately remove exhausted
batteries, and dispose of them properly.
WARNING: Do not burn exhausted batteries.
WARNING: Do not dispose of batteries with
household waste. Recycle or dispose of
batteries according to the regulations of your
local municipality.