DeWalt DXGNi20E Owner's Manual page 21

KNOW YOUR GENERATOR
3. Control Function
3.1 Engine Smart Control (ECO)
"ON"
When the ECO switch is turned to "ON", the throttle controls the
engine speed according to the connected load. The results are
better fuel consumption and less noise.
"OFF"
When the ECO switch is turned to"OFF", the engine runs at the
rated r/min (4500r/min) regard-less of whether is a load connected
or not.
NOTICE:
The ECO must be turned to"OFF"when using electric devices that
require a large starting electric current.
3.2 Output Indicator(Green)
The output indicator comes on when the engine
starts and produces power.
3.3 Overload Alarm(Red)
The overload alarm comes on when a connected device requires
more power than the generator is able to produce. THe output
indicator(Green) will go off and the overload alarm(Red) will stay
on, but the engine will continue to run.
CAUTION: Do not overload the generator
3.4 Low Oil Alarm(Red)
When the oil level falls below the requires level the low oil alarm
will come on and the engine stops automatically. The engine
will not resstart until oil is added to the unit to bring it up to the
appropriate level.
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