Honeywell RTH2310 - Quick reference to controls

Do not use C, X or B. Wrap bare end of wire with electrical tape.
If wires are connected to both Rh and Rc terminals, remove jumpe.
Specify Furnace Type
Set the Jumper J2, on the back of the thermostat, if you have connected a wire to the G terminal.
HG the jumper in this factory-set position if you have a gas or oil furnace.
HE Place the jumper to this position if you have an electric furnace.
Install Batteries