Standard Horizon GX3500S User Manual download pdf (Page 36)

GX3500SPage 36

11 DIGITAL SELECTIVE CALLING

11.1 GENERAL

WARNING

This radio is designed to generate a digital maritime distress and safety

call to facilitate search and rescue. To be effective as a safety device,

this equipment must be used only within communication range of a shore-

based VHF marine channel 70 distress and safety watch system. The

range of signal may vary but under normal conditions should be approxi-

mately 20 nautical miles.

NOTE

A DSC Warning sticker is included

with the GX3500S. To comply with

FCC regulations this sticker must be

mounted in a location that can be eas-

ily viewed from the location of the

GX3500S. Make sure the chosen lo-

cation is clean and dry before apply-

ing the sticker.

Digital Selective Calling is a semi-automated method of establishing a radio

call, it has been designated by the International Maritime Organization (IMO)

as an international standard for establishing VHF, MF and HF radio calls. It has

also been designated as part of the Global Maritime Distress and Safety Sys-

tem (GMDSS). It is planned that DSC will eventually replace aural watches on

distress frequencies and will be used to announce routine and urgent maritime

safety information broadcasts.

This new system allows mariners to instantly send a distress call with GPS posi-

tion (when connected to the transceiver) to the Coast Guard and other vessels

within range of the transmission. DSC will also allow mariners to initiate or receive

Distress, Urgency, Safety, Routine, POSITION REQUEST, POSITION SEND, and

Group calls to or from another vessel equipped with a DSC transceiver.

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JKL

DISTRES S

PULL OPEN

WARNING

STICKER

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Standard Horizon GX3500S User Manual Page 36