Furuno Felcom 15 Operator's Manual page 16

INMARSAT C SYSTEM
Types of MES
There are three types of MES: class 1, class 2 and class 3. This FELCOM 15
is a class 2 MES.
Class 1:
Class 2:
Class 3:
Peripheral Equipment
The following equipment can be additionally connected to the FELCOM 15.
Distress Message Controller (DMC-5)
The DMC-5 provides for transmission and monitoring of the distress alert. For
further details, refer to the operator's manual of the DMC-5.
Distress Message Controller DMC-5
xiv
1) Transmits messages to LES
2) Receives messages from LES
1) The functions of class 1 plus operation as an EGC receiver
when not transmitting or receiving.
2) EGC-only receiver
The function of class 1 plus simultaneous operation as an
EGC-only receiver.
Distress message controller system
Inmarsat C
FELCOM 15