Double Power Technology MD-740 User Manual
Page 52
If
If
If
If you
you
you
you are
are
are
are using
using
using
using a
a
a
a hearing
hearing
hearing
hearing aid,
aid,
aid,
aid, contact
contact
contact
contact
the
the
the
the manufacturer
manufacturer
manufacturer
manufacturer for
for
for
for information
information
information
information
about
about
about
about radio
radio
radio
radio interference
interference
interference
interference
Some hearing aids may be interfered with by the
radio frequency of your device. Contact the
manufacturer to ensure the safety of your hearing
aid.
Turn
Turn
Turn
Turn off
off
off
off the
the
the
the device
device
device
device in
in
in
in potentially
potentially
potentially
potentially
explosive
explosive
explosive
explosive environments
environments
environments
environments
● Always comply with regulations, instructions
and signs in potentially explosive
environments.
● Do not use your device at service stations,
near fuel or chemicals, and at blasting areas.
● Do not store or carry flammable liquids, gases,
or explosive materials in the same
compartment as the device, its parts, or
accessories.
Turn
Turn
Turn
Turn off
off
off
off your
your
your
your device
device
device
device when
when
when
when in
in
in
in an
an
an
an
aircraft
aircraft
aircraft
aircraft
Using your device in an aircraft is illegal. Your
device may interfere with the electronic
navigation instruments of the aircraft.
Electronic
Electronic
Electronic
Electronic devices
devices
devices
devices in
in
in
in a
a
a
a motor
motor
motor
motor vehicle
vehicle
vehicle
vehicle
may
may
may
may malfunction
malfunction
malfunction
malfunction due
due
due
due to
to
to
to the
the
the
the radio
radio
radio
radio
frequency
frequency
frequency
frequency of
of
of
of your
your
your
your device
device
device
device
Electronic devices in your car may malfunction due
to radio frequency of your device. Contact the
manufacturer for more information.
8
Safety precautions
50