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7
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 3-in-1 sensor requires lithium
batteries in low temperature
conditions. Cold temperatures
can cause alkaline batteries to
function improperly. Use lithium
batteries in the 3-in-1 sensor for
temperatures below -4ºF / -20ºC.
1. Press the release lever and
pull off the lower housing of
the sensor.
2. Remove the battery
compartment cover.
3. Insert 4 x AA batteries into
the battery compartment, as
shown. Follow the polarity
(+/-) diagram in the battery
compartment.
4. Replace the battery cover and
lower housing of the sensor.
3-in-1 Sensor Setup
2
1
1
A-B-C Switch
set to match
display unit
3
Install Batteries
4 AA batteries
Remove Battery
Compartment Cover
A B C
2