Chapter 5 VARIOUS FUNCTIONS
5.23.1 FUNCTION ENABLE/DISABLE
Set whether this mode is called when press the FUNC button.
If “Function Enable/Disable” is set to “Off”, this mode is not displayed when switching operation mode of the
FUNC button.
5.23.2 AUTO STC/FTC
Set the auto STC/FTC setting.
Detects unwanted waves such as rain/snow clutter and sea clutter and automatically suppresses them.
When the sea state or weather changes, this function automatically performs suppression processing in
accordance with the situation.
Suppression processing is not full automatic, and requires the operator to control the afterimages of unwanted
waves.
To control the afterimage of sea clutter, use the SEA control.
To control the afterimage of rain/snow clutter, use the RAIN control.
In areas where the density of unwanted waves is low, unwanted waves may remain being judged as targets.
Thus, use the automatic clutter suppression mode together with the video process mode.
OFF: Disable the automatic clutter suppression function.
Select "OFF" when rain/snow clutter and sea clutter are not strong or when the ship is in a
bay.
AUTO STC: Automatically detects the strength of sea clutter, and performs the most suitable sea clutter
suppression processing.
Even when the strength of sea clutter varies depending on the wind direction, AUTO STC
performs the most suitable suppression processing.
Land like islands can be displayed naturally.
Since rain clouds outside sea clutter areas are recognized as land, there is no effect of
suppressing rain/snow clutter.
Use the RAIN control to set the rain/snow clutter suppression function.
AUTO FTC: This function automatically detects the strength of rain/snow clutter, and performs the most
suitable rain/snow clutter suppression processing.
Since land is recognized as rain clouds, land videos become obscure.
There is no effect of automatic suppressing sea clutter.
Use the SEA control to set the sea clutter suppression function.
AUTO STC + AUTO FTC: This function set both STC and FTC to AUTO.
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