3En4 If the flash unit is dropped and damaged, do not touch any exposedinterior metal parts. Such parts, especially the speedlight's capacitor andassociated parts, could be in a high-charge state and if touched could cause anelectric shock. Disconnect the power or remove the batteries and be sure thatyou do not touch any of the product's electrical components, and then bring theflash unit to your local Nikon dealer or authorized service center for repair.5 If you detect heat, smoke or notice a burning smell,immediately stop operation and remove the batteries to prevent the unitfrom catching on fire or melting. Allow the flash unit to cool down so that youcan safely touch it and remove the batteries. Then bring the unit to your localNikon dealer or authorized service center for repair.6 The flash unit should never be submerged in liquid or exposed to rain,saltwater or moisture unless it is properly protected from the liquids andmoisture. Underwater use requires a certified underwater housing. Ifwater or moisture gets inside the unit, this could cause the unit to catch on fireor cause an electric shock. In such instances you should immediately remove thebatteries from the speedlight and then bring the unit to your local Nikon dealeror authorized service center for repair.Note: electronic devices that are penetrated by water or moisture are often noteconomically repairable.7 Do not use the unit in the presence of flammable or explosive gas. If theflash unit is operated in areas where there is a flammable gas, including propane,gasoline and dust, it could cause an explosion or fire.8 Do not fire the flash unit directly at the driver of a moving car, as thiscould temporarily impair the driver's vision and cause an accident.9 Do not fire the flash unit directly into the eyes of someone that is atclose range, as it could damage their eyes' retinas. Never fire the flash unitcloser than 1 meter from infants.10 Do not fire the unit while the flash head is touching a person or object.Such use can result in the person being burned, and/or their clothes ignitingfrom the heat of the flash's firing.