Hunter 40135 Owner's Manual And Installation Manua page 22

INDICATORS AND ADUSTMENT
1. The Thermometer indicates the room temperature.
2. The Battery Indicator displays two stages of
battery conditions. The first warning is the
Weak Battery Warning, indicated by the Battery
Indicator flashing once approximately every
second. When this warning appears, install
two fresh AA alkaline batteries at your earliest
convenience.
3. The second warning is the Shut-down Indicator,
indicated by the Battery Indicator flashing
approximately twice every second. When this
warning appears, the thermostat is shut down
and will turn your system OFF. Your system will
remain shut-off until you install two fresh AA
alkaline batteries.
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