Owner's Manual
Page 12
...when batteries are depleted if the thermostat is connected to Off before the batteries are depleted. The settings are stored in non-volatile (permanent) memory and are thus preserved when the thermostat is connected to 24 VAC. ENGLISH Operating Manual Battery replacement NOTE: Batteries are ...optional (and serve as backup power) only if your thermostat is without AC power or batteries. Install two fresh AAA batteries when Lo Batt (low...
...when batteries are depleted if the thermostat is connected to Off before the batteries are depleted. The settings are stored in non-volatile (permanent) memory and are thus preserved when the thermostat is connected to 24 VAC. ENGLISH Operating Manual Battery replacement NOTE: Batteries are ...optional (and serve as backup power) only if your thermostat is without AC power or batteries. Install two fresh AAA batteries when Lo Batt (low...