OPERATOR'S STATION Overload Alarm (Only machines equipped with optional parts) Overload Alarm IMPORTANT: When using overload alarm, consult your nearest Hitachi dealer. When the overload alarm switch is turned ON, the system measures load of the suspended load from bottom pressure of the boom cylinder. An alarm message is displayed and buzzer is rung, if overload is detected. Basic Screen Overload Alarm Switch (Optional) M1J1-01-016 M1J1-03-001 1-31