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2. RADAR OPERATION
2-6
2.6.2 Adjusting the FTC
To suppress rain clutter from heavy storms or scattered rain clutter, adjust the
FTC. The FTC splits up these unwanted echoes into a speckled pattern, making
recognition of solid targets easier.
Note: In addition to reducing clutter, the FTC can be used in fine weather to
clarify the picture when navigating in confined waters. However, with the
circuit active the receiver is less sensitive. Therefore, turn off the FTC, by
setting it for “0”, when its function is not required.
FTC is available when the radar source is the MODEL1722 series radar.
1. Press the [GAIN] key.
2. Press the FTC soft key to show the FTC window.
FTC
0
FTC setting window
3. Rotate the [ENTER] knob to adjust. The range of adjustment is 0-100. Do not
overadjust the FTC – weak target echoes may be missed.
4. Press the [GAIN] key on the front panel or RETURN soft key to finish.