A d d i t i o n a l s a f e t y i n f o r m a t i o n15Additional safety information■ Potentially explosive environmentsSwitch off your device when in any area with a potentiallyexplosive atmosphere and obey all signs and instructions.Potentially explosive atmospheres include areas where youwould normally be advised to turn off your vehicle engine.Sparks in such areas could cause an explosion or fire resulting inbodily injury or even death. Switch off the device at refuellingpoints such as near gas pumps at service stations. Observerestrictions on the use of radio equipment in fuel depots,storage, and distribution areas, chemical plants or whereblasting operations are in progress. Areas with a potentiallyexplosive atmosphere are often but not always clearly marked.They include below deck on boats, chemical transfer or storagefacilities, vehicles using liquefied petroleum gas (such aspropane or butane), and areas where the air contains chemicalsor particles such as grain, dust or metal powders.