This manual contains the safety instructions that must be observed in order to avoid potential hazards that could result in personal injuries or could damage Holux GPSmile 60. The safety instructions have been classified according to the seriousness of the risk, as follows: Signal Word Meaning ! DANGER Indicates an imminently hazardous situation, which if not avoided, will result in death or serious injury. ! WARNING Indicates a potentially hazardous situation, which if not avoided, could result