9.9 Radar tuning: non-HD digital radomes
You can use the gain presets and other functions to improve the quality of the radar picture.
The following settings apply to non-HD digital radomes:
Tuning method Related Options Description
Gain • AUTO — the preset operates in automatic mode.
This is the default.
• MAN — allows you to manually adjust the intensity
of the gain, from 0 to 100%.
Enables you to adjust the sensitivity of the radar
reception. In some situations, adjusting the sensitivity
may improve the clarity of the radar picture.
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
ll-in returns from land and other large targets.
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%.
134 E-Series Widescreen User reference
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