Lowrance electronic 988-0161-011 - Manual (Page 6)

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WARNING: Microwave Radiation Hazard
The microwave energy radiated by a radar antenna is
harmful to humans, especially to the eyes. NEVER look
directly into an open waveguide or into the path of ra-
diation from an enclosed antenna. Radar and other ra-
dio frequency radiation can upset cardiac pacemakers.
If someone with a cardiac pacemaker suspects abnormal
operation, immediately turn off the radar equipment
and move the person away from the antenna. Turn off
the radar whenever it is necessary to work on the an-
tenna unit or other equipment in the beam of the radar.
WARNING: Turn Off Radar When Docked
The radar beam can be harmful to humans in close prox-
imity (within 20 yards, or 18.3 meters). When docked, be
considerate of other boats and pedestrians nearby and
remember to turn off your radar. If your boat is in a cov-
ered marina and the radar is on, a metal roof can act as
a reflector, bouncing microwave energy back at your
boat and passengers.