Furuno FS-1570 - Connecting Distress Alert Button

3.4 DIP Switch
3-31
2. Connecting Distress Alert Button
Neither DMC-5 nor IC-302-DSC can be connected with the following setting of the
switches on T-CPU board.
DMC-5: S2-#2: OFF; S6: All ON and S7: All OFF
IC-302-DSC: S6:All OFF and S7: All ON