M037960ESafety Functions of Radio-control System 10 Safety Functions of Radio-control System5. Alarm FunctionThe following alarms sound when the systemhas a problem, when a wrong operation ismade, or to call attention for proper operations.Take appropriate measures according to thefollowing tables when the alarm sounds.(1) At the time of abnormal stop of the radio-control system:Warning sound Beep (Three times)Warning timing When the computer judges that serious trouble has occurred to thesystemCraneoperationThe radio-control operation is disabled.Measure Refer to the chapter of “Measures for Emergency Case”(2) At the time of a problem occurring when the operation lever is at the neutral positionWarning sound Beep (Three times)Warning timing When the operation lever of the crane does not return to the neutralposition even after the motion selection switch of the transmitter isreturned to the neutral position.CraneoperationThe radio-control operation is disabled.Measure Refer to the chapter of “Measures for Emergency Case”(3) Battery exhaustion warningWarning sound Two-tone alarm (once)Warning timing When the motion selection switch of the transmitter is operated under thelow battery-voltage condition of the transmitter.Measure Refer to the chapter of “Battery Replacement for Transmitter”(4) At the set of emergency stop stateWarning sound Beep (Once)Warning timing When the operation to set the emergency stop state is made.(5) At the release of emergency sop stateWarning sound Two-tone alarm (once)Warning timing When the operation to release the emergency stop state is made.No alarm sounds when the speaker switch is turned “OFF”. Since it is animportant alarm, turn the speaker switch “ON” except for special cases.Operation should be made with special care when the switch needs to be turned off dueto noise prevention at nighttime operation and the like.In addition, make sure that the switch is returned to “ON” position after the operation.SPEAKERM22662ESpeakerswitchWarning