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3.2 Heading Adjustment
When the BOW mark on the flange of the hull unit cannot be directed toward ship's bow,
adjust the heading so an echo which is dead ahead appears dead ahead on the display.
1. Referring to the previous section, set the TX (transmission) to ON.
2. Locate a target in the bow direction (buoy, for example) and display it on a near range. If
the target appears at 12 o'clock the heading alignment is correct. If it does not, measure
the error and go to next step.
Buoy
3. Turn off the power and then turn it on again while pressing and holding down the
[MENU] key. Release the [MENU] key after the self-test screen appears. After the picture
appears, press the [MENU] key three times to open the SYSTEM menu.
4. Use the trackball to choose OTHERS and press the [MENU] key.
5. Choose HEADING ADJUST1 and press the [MENU] key.
3-4
Heading adjustment
SYSTEM MENU
INTERFACE SETTING...
EXT DATA SETTING...
OWN SHIP MARK...
TEST&INITIALIZATION...
TX/RX SETTING...
TX/RX SETTING-H...
TX/RX SETTING-V...
OTHERS...
SYSTEM menu
If target's on-screen
position is right of ship's
bow for example, heading
is skewed left.
QUIT
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