Garmin Astro DC 40 Owner's Manual page 84

Appendix
Your physician may be able to assist
you in obtaining this information.
Turn your radio OFF in health care
facilities when any regulations posted
in these areas instruct you to do so.
Hospitals or health care facilities may
be using equipment that could be
sensitive to external RF energy.
Vehicles–RF signals may affect
improperly installed or inadequately
shielded electronic systems in motor
vehicles. Check with the manufacturer
or its representative regarding your
vehicle. You should also consult the
manufacturer of any equipment that
has been added to your vehicle.
Posted Facilities–Turn your radio OFF
in any facility where posted notices so
require.
Commercial Aircraft–Many
commercial airlines prohibit the use of
FRS/GMRS radios on board. Switch
0
OFF your radio before boarding an
aircraft or check the airline rules.
Blasting Areas–To avoid interfering
with blasting operations, turn your
radio OFF when in a "blasting area"
or in areas posted: "Turn off two-way
radio." Obey all signs and instructions.
Potentially Explosive Atmospheres–
Turn your radio OFF and do not
remove your battery when you are in
any area with a potentially explosive
atmosphere. Obey all signs and
instructions. Sparks from your battery
in such areas could cause an explosion
or fire resulting in bodily injury or even
death.
Areas with a potentially explosive
atmosphere are often, but not always
clearly marked. They include fueling
areas such as gasoline stations, below
deck on boats, fuel or chemical transfer
or storage facilities; vehicles using
Astro and DC 40 Owner's Manual