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5
SETUP
Set the A-B-C Switch
The A-B-C switch is located inside
the battery compartment. It can
be set to A, B or C. However,
you must select the same letter
choices for both the sensor and the
display unit in order for the units to
synchronize.
Install or Replace Batteries
AcuRite recommends high quality
alkaline or lithium batteries for the
best product performance. Heavy
duty or rechargeable batteries are
not recommended.
The sensor requires lithium
batteries in low temperature
conditions. Cold temperatures can
cause alkaline batteries to function
improperly. Use lithium batteries in
the sensor for temperatures below
-4ºF / -20ºC.
1. Slide off the battery
compartment cover. Take note
of the A-B-C switch setting inside
the battery compartment for
display unit setup.
2. Insert 2 x AA batteries into
the battery compartment, as
shown. Follow the polarity
(+/-) diagram in the battery
compartment.
3. Replace the battery cover.
Sensor Setup
2
1
1
A-B-C Switch
set to match
display unit
2
Install Batteries
2 AA batteries
A B C