Raymarine C140w - Manual (Page 115)

Tuning method Related Options Description
FTC function • ON — enables the
FTC function and
allows you to adjust
the setting between 0
and 100%.
• OFF — disables the
FTC function. This is
the default.
Enables you to remove
areas of clutter at a
distance from your
vessel. It also helps you
to distinguish between
two very close echoes
on the same bearing,
which may otherwise
merge and appear
as one echo. You can
adjust the intensity of the
FTC function between 0
and 100%:
• A higher setting
shows only the
leading edge of large
(rain clutter) echoes,
while the effect on
smaller (ship) echoes
is only slight.
• A lower setting
reduces background
noise and fill-in
returns from land and
other large targets.
Tuning method Related Options Description
Rain function • ON — enables the
Rain function and
allows you to adjust
the setting between 0
and 100%.
• OFF — disables the
Rain function. This is
the default.
The radar scanner
detects echoes from rain
or snow. These echoes
appear on screen as
countless small echoes
continuously changing
size, intensity and
position. Turning the
rain clutter function
ON suppresses the
bulk effect of rain
returns from around
your vessel, making
it easier to recognize
other objects. You can
adjust the intensity of
this setting between 0
and 100%.
Using radar 115