How do I set up and program my new Honeywell thermostat?

Your thermostat comes pre-programmed and ready to use. Start by setting the clock (page 6), then select your fan setting (preset to Auto on page 7), system setting (preset to Heat on page 8), and program schedules if needed (pages 10-13). The preset energy-saving schedule assumes you wake at 6 am, leave at 8 am, return at 6 pm, and go to bed at 10 pm.

From the official Honeywell Programmable U1003 Thermostat manual, page 5

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