Furuno FELCOM 15 Service Manual page 99

3. Press any [DISTRESS] on the Terminal unit, IC-305 and DMC-5 more than 4
seconds. The beep is sounded rapidly for 3 seconds. Then, it returns to the test mode
sound. The system is normal when the message below appears in "CAUTION"
window.
**Pressed [DISTRESS] button**
- Test for the Terminal unit
- Test for IC-305
- Test for DMC
4. To return to the original display, press [Esc].
For DMC-5, the message, "Wait for dist ack" is displayed. Turn off the unit once and
then set the DMC again.
**Message**
: Distress Button work correctly.
: Distress ALEART work correctly.
: DMC work correctly.
5-23
5.10 Distress alert test