3. ADJUSTMENTS AND CHECKS
3-2
5. Select [Test] then push the left-click button.
6. Select [TX] then push the left-click button.
7. Select [On] then push the left-click button.
8. Long-press the MENU/ESC key to quit all menus.
How to check the hull unit
1. Press the POWER ( | ) switch on the control unit to turn on the system. Check that
both the LED lamp above the POWER switch and the are lit.
2. Confirm that the 5V and UP LEDs on the control box are lit.
3. Remove the cover of the control box and use a multimeter to measure the follow-
ing voltages:
4. In the control box, set the TEST/NORMAL switch to [TEST]. Press the DOWN
switch to confirm that the transducer lowers. Also, while the transducer is being
lowered, check that the MD LED lights when the MD L. SW is pressed.
Note: MD L. SW does not stop the transducer when the TEST/NORMAL switch
is in the TEST position.
Terminal Terminal No. Voltage
TB-C101 (1) - (2)
(2) - (3)
(1) - (3)
220 VAC
220 VAC
220 VAC
Test Quit
Board Test... : Execute
Panel Test... : Execute
Test Pattern... : Execute
RX Test... : Execute
Noise Test... : Execute
TX : OFF
OFF
TEST
NORMAL
5V
L.SW
UP MD DN
UP DOWN