Choke Knob; Eco-Throttle Switch - Honda EU3000is Owner's Manual

CHOKE KNOB
The choke knob opens and closes the choke valve in the carburetor.
Pulling the choke knob to the CLOSED position enriches the fuel
mixture for starting a cold engine.
Pushing the choke knob to the OPEN position provides the correct fuel
mixture for operation after starting, and for restarting a warm engine.
ECO-THROTTLE SWITCH
The eco-throttle system automatically reduces engine speed when all
loads are turned off or disconnected. When appliances are turned on
or reconnected, the engine returns to the proper speed to power the
electrical load.
If high electrical loads are connected simultaneously, turn the eco-
throttle switch to the OFF position to reduce voltage changes.
ON:
OFF:
Recommended to minimize fuel consumption and further
reduce noise levels when no load is applied to the
generator.
The eco-throttle system does not operate.
ROlTLE SWITCH
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