Furuno FS-2570 User Manual

Page 36

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4. Press the [LOG/TUNE] key. “TUNE” appears on the LCD. “TUNING: OK” appears when

tuning is completed. Record the status (on or off) of LEDs CR1 – CR22 (on the
COUPLER Board).

5. Set S1 switch to MANUAL.
6. Set S4, S5, S6 DIP switches so that LEDs become the status is the same as in step 4.

The relations between the DIP switch and LED are shown on the next page. When a DIP
switch is turned on, the appropriate LED lights.

DIP switch

LED No.

LED status

#8 CR1

#7 CR2

#6 CR3

#5 CR4

#4 CR5

#3 CR6

#2 CR7

#1 CR8

#8 CR9

#7 CR10

#6 CR11

#5 CR12

#4 CR13

#3 CR14

#2 CR15

#1 CR16

#8 CR17

#7 CR18

#6 CR19

#5 CR20

#4 CR21

#3 CR22

7. Return the S1 switch to AUTO, confirming that LEDs do not change. If different, repeat

step 6.

8. Set the S1 switch to MANUAL.
9. Making sure it is not silent time, communicate with the handset. Confirm that IA changes

with voice level.

10. Set the S1 switch to AUTO. Close the cover of the antenna coupler.