What keypad lock options are available to restrict user control?
Four keypad lock options are available: Option 1 (default) allows all buttons available, Option 2 locks out only the Mode button, Option 3 locks out Fan and Mode buttons, and Option 4 locks out all buttons. These settings can be configured in Installer Setup Item 11 and are also accessible via Modbus address 0012. (Page 6)
From the official Honeywell Thermostat Set Temp manual, page 6
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