QT ZM66User ManualUser ManualQ-Tech Commercial SeriesQT ZM661Safety PrecautionsBe sure to read the instructions in this section carefully before use.•Make sure you observe the instructions in this manual as to the conventions of safety symbols.•We also recommend you keep this instruction manual handy for future reference.•Safety Symbol and Message ConventionsSafety symbols described below are used in this manual to prevent bodily injury and propertydamage which could result from mishandling. Before operating your product, read this manual firstand understand the safety symbols and messages so you are thoroughly aware of the potential risks.Indicates a potentially hazardous situation which, ifmishandled, could result in death or serious personal injury.Indicates a potentially hazardous situation which, ifmishandled, could result in moderate or minor personal injury,and/or property damage.WARNINGCAUTION