Furuno CH-270 Service Manual page 42

5) Rotate the tilt code disk so that the second narrowest slit is placed in the center of photo
sensor on the tilt signal (1) pcb. See Fig.5.16. Be careful not change the tilt angle of the
transducer.
6) Fix the tilt code disk by tightening the socket set screws.
7) Reinstall the tilt signal (2) pcb.
8) Make all interconnections between the units.
9) Check that LEDs CR8 (+8°) and CR9 (93°) on the tilt driver pcb blinks simultaneously when
the tilt angle is 30°.
Figure 5.16
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