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1.3 Equipment Description
Regulations require that all equipment be powered while the vessel is underway.
FS-1562/5000 SSB Radiotelephone
For ship-ship and ship-station radio communications in the MF/HF band (1.6-26.175 MHz),
the main communications modes are;
• Voice communications (J3E) via the handset
• DSC communications (Telex:J2B) by the DSC-60
• Telex communications by the DP-6 (J2B)
DSC-60 MF/HF DSC Terminal
The DSC-60 has many functions. Below are its main functions.
• Distress alert: Transmit the distress alert via the SSB Radiotelephone.
• Watches DSC distress and safety frequencies. The DSC-60 receives distress alert from ves-
sel in distress and all ships call (safety and urgent call) from ship or coast station.
• All Ships Call: For urgent situation on own ship (for example, request for medical assis-
tance).
• Individual Call: Place a call to a specific ship or coast station.
NBDP Terminal
The DP-6 provides Telex communications with coast stations over the MF/HF band via the
SSB Radiotelephone. Furthermore, it can receive MSI (Maritime Safety Information) mes-
sages via the SSB Radiotelephone (Scan reception).
Inmarsat-C Mobile Earth Station
Provides distress and general Telex communications for mobile and fixed terrestrial subscrib-
ers in the Inmarsat-C communications network. Telex messages are processed by what is known
as store-and-forward Telex. A Telex message transmitted by you arrives at a coast station where
it is stored temporarily and then delivered to the subscriber specified. (Full duplex communica-
tions are not possible.)
AC/DC Power Supply
The AC/DC Power Supply consists of a battery charger and two rectifiers (PR-850AR and PR-
300) which can accept both AC and DC powers (RC-1800F only). For RC-1800T the AC/DC
Power Supply is installed externally. In the event of main AC power failure, auxiliary power
(battery) provides power to the equipment, for the amount of time stipulated by radio regula-
tions.
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