20Operator panel and display/// OperationrpmACBA Standby keyDevice switches on / enters standby(no disconnection from the power supply network).B Display Display the speed value.C Control knob(rotating / pressing)Set the speed by rotating.Start / stop the stirrer function by pressing.21Assembly/// Assembling the extension arm to the overheadstirrerStirrerExtension armHexagonal socket screwHexagon socketoffset screw keyEnsure that the extension arm is fitted securely.Vibration may cause the screw to become loose. It is therefore necessary forsafe use to regularly check that the extension arm is attached securely. Tightenthe hexangular bolt as required.