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Antenna Rotation: "Rotate" (default setting) transmits the radar pulses with rotating the antenna.
"Stop" transmits the radar pulses without rotating the antenna.
Antenna Height: Set the height of the antenna above the water surface. The options are 5, 10,
15, 20, 30, 40 and 50 m. The default setting is 15 m.
Near STC Level: Set the STC curve at near distance. The options are 1,2, 3 and 4. “4” has the
strongest effect.
A/C Auto Adjust: Adjust the performance of the automatic A/C.
Memory Clear: Restore the default settings. Purpose, Type and Input Source are not changed.
When turning on the power after the memory clear, the language selection window appears. (See
page 3-1.)
Heading Adjustment
You have installed the antenna unit so that the unit faces toward the bow. A target at the front of
the boat and aligned with the bow must appear on the heading line (zero degrees). If the target
does not appear on the heading line, do the procedure shown below to adjust the heading.
1. Set ship heading toward an acceptable target (for example, ship at anchor or buoy) at a range
between 0.125 and 0.25 nautical mile.
2. Transmit the radar at the range of 0.25 nautical mile and measure the bearing of that target
relative to ship heading with an EBL.
3. Open the Installation menu and select Heading Adjust.
4. Press the ENTER key to show the window for heading adjust.
5. Press T or S to set the value measured at the above step 2. Check that the target appears
on the heading line.
6. Press the ENTER key to complete the setting.
0.0 °
(0 °
∼ 359.9 °)