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Safety and General Information
Potentially Explosive Atmospheres
Turn off your radio prior to entering any area with a potentially explosive atmosphere, unless it
is a radio type especially qualified for use in such areas as “Intrinsically Safe” (for example,
Factory Mutual, CSA, or UL Approved). Do not remove, install, or charge batteries in such ar-
eas. Sparks in a potentially explosive atmosphere can cause an explosion or fire resulting in
bodily injury or even death.
Note: The areas with potentially explosive atmospheres referred to above include fueling ar-
eas such as below decks on boats, fuel or chemical transfer or storage facilities, areas where
the air contains chemicals or particles, such as grain, dust or metal powders, and any other
area where you would normally be advised to turn off your vehicle engine. Areas with potential-
ly explosive atmospheres are often but not always posted.
Blasting Caps and Areas
To avoid possible interference with blasting operations, turn off your radio when you are near
electrical blasting caps, in a blasting area, or in areas posted: “Turn off two-way radio”. Obey
all signs and instructions.
