Here are the Emerson instructions that i used to address my problemINSTALLER/CONFIGURATION MENU
To enter the menu: Press the Menu touch key. Press and hold for 5 seconds the Installer Config touch key. This displays
screen reference #1 in the table below. Screen Reference numbers appear in top right corner of display. Press to advance
to the next menu item or to return to a previous menu item. Press or to change a menu item option. Shaded items are
not available if selected for Non-Programmable. Write the options selected in the "Option Selected" column of the menu.
Installer Note: To default the programming, clock and Configuration Menu to the Factory Default Settings, press the ,
and SYSTEM keys simultaneously. The thermostat display will go blank for a few seconds, and then all segments will display
momentarily. For heat pump systems, Configuration Menu items 1 and 3 must be set to match the heat pump system.
2 (GAS) ELE GAS setting: furnace controls blower.
ELE setting: thermostat controls