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7-2
11.Press the d switch. Confirm that the lamp above the switch blinks while the transducer is
being lowered, a short beep sounds when the mid limit switch kicks, and the lamp lights
when the transducer is fully lowered.
12.Press the c switch. Confirm that the lamp above the switch blinks while the transducer is
being raised, a short beep sounds when the mid limit switch kicks, and the lamp lights when
the transducer is fully raised.
13.Press the OFF switch. Confirm that the transducer is completely retracted and then the
power is turned off.
14.With the transducer lowered, confirm that the transducer is raised when c or OFF is pressed.
7.2 Heading Adjustment
When the arrow 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. 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 and no further adjustment is
necessary. If it is not go to step 2.
Buoy
e
If target's on-screen
position is right of ship's
bow, for example, hull unit
heading is skewed to left.
Bow
Figure 7-3 Heading adjustment
2. Turn on the power while pressing and holding down the MENU key. The INIT SET/TEST
menu appears.
INIT SET/TEST MENU
Select item with dc[ \ keys and press MENU key.
Press END key to close menu.
HEADING ADJ
SELF TEST
BAUD RATE
ECHO TEST
EXT KP
E/S NET REC
UNIT/LANGUAG
DEFAULTS
OTHERS
Figure 7-4 INIT SET/TEST menu
3. Select HEADING ADJ.