How do I connect the thermostat to my home Wi-Fi network?

First, ensure the thermostat displays 'Wi-Fi Setup,' then on your wireless device connect to the network called 'NewThermostat_123456.' Open a web browser to access the Thermostat Wi-Fi Setup page (or go to http://192.168.1.1), find your home network, enter your password, and click Connect. When successful, the thermostat will display 'Wi-Fi Setup Connection Success.' (Pages 27–30)

From the official Honeywell RTH6580WF Wi-Fi Smart Thermostat manual, page 27

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