Honda EU70is Owner's Manual page 37

OPERATION
2.Make sure the Eco-Throttle
switch is in the OFF position, or
more time will be required for
warm-up.
If you wish to use the 
Eco-Throttle system, turn the
Eco-Throttle switch to the ON
position after the engine has
warmed up for 2 or 3 minutes.
3.Turn the MAIN switch to the ON
position.
4.Press and release the ENGINE
START button.
The ENGINE START button
functions for 5 seconds. As
soon as the engine starts, the
starter will stop automatically.
If the engine fails to start, wait
at least 10 seconds before
operating the starter again.
Do not leave the MAIN switch in the ON position when the 
generator is not operating or the battery will be drained. Turn the
MAIN switch to the OFF position when not in use.
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ECO-THROTTLE SWITCH
OFF
OFF
MAIN SWITCH
ENGINE START BUTTON
∙∙∙OFF
ON
∙∙∙ON
ON