SAFETY INSTRUCTIONS
iii
WARNING
Do not open the equipment unless
totally familiar with electrical circuits.
The equipment uses high voltage that
can cause electrical shock.
Turn off the power at the mains
switchboard before beginning the
installation. Post a warning sign near
the switchboard to indicate that
power should not be applied while the
equipment is being installed.
Electrical shock, serious injury or fire can
result if the power is not turned off or is
applied while the equipment is being
installed.
RADIO FREQUENCY RADIATION
HAZARD
Distances at which RF radiation level of
100, 10 and 5.05 W/m
2
are shown
below.
100 W/m
2
: Not applicable
10 W/m
2
: Not applicable
5.05 W/m
2
: 1.0 m
CAUTIO
Confirm that the power supply voltage
is compatible with the voltage rating
of the equipment.
Connection to the wrong power supply
can cause fire or damage the equipment.
Follow the compass safe distances
shown in the table below to prevent
interference to a magnetic compass.
Steering
compass
Standard
compass
1.70 m
Transceiver Unit
FM-4721
1.10 m
0.70 m
Handset
HS-4721
0.45 m
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