Mercury 200 OptiMax DTS Manual page 22

Avoid the combination of a running engine and poor ventilation. Prolonged exposure to carbon
monoxide in sufficient concentration can lead to unconsciousness, brain damage, or death.
GOOD VENTILATION
Ventilate passenger area, open side curtains, or forward hatches to remove fumes.
POOR VENTILATION
Under certain running and/or wind conditions, permanently enclosed or canvas enclosed cabins or
cockpits with insufficient ventilation may draw in carbon monoxide. Install one or more carbon monoxide
detectors in your boat.
Although the occurrence is rare, on a very calm day, swimmers and passengers in an enclosed area of
a stationary boat that contains or is near a running engine may be exposed to a hazardous level of carbon
monoxide.
WHILE BOAT IS STATIONARY
a
a - Running the engine when the boat is
moored in a confined space
WHILE BOAT IS MOVING
a
a - Running the boat with the trim angle of
the bow too high
GENERAL INFORMATION
WARNING
!
Example of desired air flow through the boat
b
b - Mooring close to another boat that has its
engine running
b - Running the boat with no forward
hatches open
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b
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