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
31
Part No. E04297
SEA M I STAA
ON CH 06 00
INT
06
Fig 4.1 - Selecting a number from the MMSI directory
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