Work Men WMG3000I Mode D'emploi page 66

2.2 SMART Throttle
This switch is to control the operation mode of the engine. If the electrical load is ≤2.1kW,
set the SMART Throttle at "ON" position, and engine runs at low speed producing lower
noise. If the electrical load is larger ＞ 2.1KW or it is a inductive load , set the SMART
Throttle at "OFF" position.
NOTE:If the engine vibrates acutely, please set the SMART Throttle at "OFF"
position.
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