User's Manual

Enter the required working channel using the numeric keypad,

or use the VOL or VOL keys to scroll through the four

default reply channels (06, 08, 72 & 77). Press Ok to conﬁrm.

NOTE Only simplex channels can be selected as the working channel.

NOTE If the MMSI entered is for a coast station, the option to select a

working channel will not be available - this is speciﬁed by the

coast station, and will normally be a duplex channel.

The display will show “Press Ok To Send” - press Ok to initi-

ate the call, or On/C to abort.

4. DSC FUNCTIONS

4.1General

The RS87 features full Class D DSC (Digital Selective Calling)

functionality, which enables the user to make digitally selected

calls - quicker and simpler to make than traditional voice calls

using Channel 16. Should a distress situation occur, a Distress

Alert call can be initiated, indicating the vessel’s identity, posi-

tion and automatically establish distress communication on the

emergency voice channel (normally Channel 16)

NOTE DSC functions will only be available if the MMSI number has

been entered into the radio (see section 3.2.1).

4.2Making a call

4.2.1 Individual Routine call

Press the Call key to enter the Individual Routine call func-

tion.

Either manually enter the MMSI number of the station using

the numeric keypad, or press the VOL and VOL keys to

scroll through the MMSI number directory (Fig 4.1). Press Ok

to conﬁrm the selected entry.

Instruction Manual

Part No. E04297

SEA M I STAA

ON CH 06 00

INT

Fig 4.1 - Selecting a number from the MMSI directory