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MARCOM FINALS

MARCOM FINALS
29問 • 1年前
  • alexandre learn
    • 通報

    問題一覧

  • 1

    FOR SPECIFIC OPERATIONAL INSTRUCTIONS, PLEASE REFER TO THE EQUIPMENT OPERATORS MANUAL CARRIED ON BOARD YOUR SHIP.

    GMDSS DIGITAL SELECTIVE CALLING

  • 2

    IS A BRIEF BRUST OF DIGISTED INFORMATION TRANSMITTED FROM ONE STATION TO ALERT ANOTHER STATION OR STATIONS

    DSC MESSAGE

  • 3

    TO ENABLE THE TRANSMISSION AND RECEPTION OF DSC MESSAGE THE CONTROLLER IS ELECTRICALLY CONNECTED TO AN ASSOCIATED TRANSMITTER AND WATCH KEEPING RECEIVER

    DSC SHIPBRONE EQUIPMENT

  • 4

    INDICATES THE TYPE OF MESSAGE ( THE MESSAGE FORMAT) THAT IS BEING TRANSMITTED.

    FORMAT SPECIFIER

  • 5

    IDENTIFIES THE STATION BEING CALLED

    ADDRESS

  • 6

    DEFINES THE DEGREE OF PRIORITY OF THE CALL SEQUENCE

    CATEGORY

  • 7

    THE MMSI OF THE CALLING STATION IS STORED IN THE MEMORYOF THE DSC UNIT AND IS AUTOMATICALLY ADDED TO THE MESSAGE.

    SELF IDENTIFICATION

  • 8

    FUNCTION DEPENDS WHETER THE CALL IS A DISTRESS CALL OR OTHER TYPE OF CALL

    MESSAGE

  • 9

    FUNCTION INDICATES WHETHER A CALL REQUIRES ACKNOWLEDGEMENT OR THE CALL IS AN ACKNOWLEDGMENT OF A CALL RECEIVED

    END OF SEQUENCE

  • 10

    CHECKS THE DSC CALL FOR ERRORS USING A 10 UNIT ERROR DETECTING CODE.

    ERROR CHECK CHARACTER

  • 11

    EACH SHIP THAT COAST STATION FITTED WITH DSC IS ALLOCATED A UNIQUE NINE DIGIT IDENTIFICATION NUMBER

    MMSI

  • 12

    THESE CALL ARE ALWAYS ADDRESSED TO ALL STATIONS

    DISTRESS ALERT

  • 13

    NORMALLY ONLY SENT BY COAST STATIONS, THESE CALLS ARE ADDRESSED TO EITHER ALL STATION OR SHIP IN A DESIGNATED GEOGRAPHIC AREA

    DISTRESS ALERT RELAY

  • 14

    THESE BROADCAST MESSAGE CAN BE SENT AS EITHER URGENT OR SAFETY PRIORITY ANNOUNCEMENT.

    ALL SHIP / ALL STATIONS

  • 15

    THESE CALLS CAN ALSO BE EITHER URGENT OF SAFETY PRIORITY.

    SINGLE SHIP

  • 16

    AS A ROUTINE CALLS ARE PROHIBITED ON THE MF/HF DSC DISTRESS FREQUENCIES A SPECIAL TEST PROTOCOL CALL HAS BEEN DEVELOPED TO PRIVIDE BOTH SYSTEM VERIFICATION ANF OPERATOR FAMILIARISATION.

    MF/HF TEST

  • 17

    MORE MODERN VHF DSC RADIOS INCLUDE A TEST CALL WHICH ALLOW TEST CALLS TO OTHER VHF DSC RADIOS ON BOARD SHIP

    VHF TEST

  • 18

    THESE CALLS ARE ONLY SENT ON MF/HF FREQUENCIES SPECIALLY SET ASIDE FOR DSC COMMERCIAL CALLS AS THEY ARE PROHIBITED ON THE MF/HF DSC DISTRESS AND SAFETY FREQUENCIES.

    ROUTINE OR COMMERCIAL

  • 19

    MAY BE TRANSMITTED AS A SINGLE FREQUENCY OR A MULTIPLE FREQUENCY CALL ATTEMPT.

    DISTRESS ALERT ATTEMPS.

  • 20

    As describe in the preceding paragraphs, tha frequency for voice or NBDP communications to used after the initial DSC call must be specified for all proprities of calls except distress.

    frequency or channel for ongoing communications

  • 21

    A station transmitting an invertent distress alert or call shall cancel the transmission.

    cancellation of inadvent distress alerts ( fals distress alert)

  • 22

    For specific operational instruction please refer to the equipment operator manual carried by your ship.

    NBDP

  • 23

    Each character of the marine rafio telex code is represented by a combination of three lows and four highs or three marks and four spaces

    transmission of information

  • 24

    The following section describe the various modes of transmission offered by the NBDP system.

    mode of transmission

  • 25

    This mode offers full error correction capabilities anf is useable even in very poor radio conditions

    automatic re transmission request mode

  • 26

    This is a broadcast ( or one way) mode of operation

    the forward error correction mode

  • 27

    The transmitting station only send to a specified ship or ships, which are adress by their selcall numbers

    the selective forward error correction mode

  • 28

    Was the digital replacement of inmarsat - A

    Inmarsat -B

  • 29

    Offers high speed mobile and mobile packet data,including access to email and the internet and an advanced voice distress safety system.

    inmarsat fleet 77

    • hatdog

    hatdog

    alexandre learn · 27問 · 2年前

    hatdog

    hatdog

    27問 • 2年前
    alexandre learn

    SOC SCI

    SOC SCI

    alexandre learn · 21問 · 2年前

    SOC SCI

    SOC SCI

    21問 • 2年前
    alexandre learn

    SOC SCI FINALS

    SOC SCI FINALS

    alexandre learn · 44問 · 2年前

    SOC SCI FINALS

    SOC SCI FINALS

    44問 • 2年前
    alexandre learn

    international signal flag

    international signal flag

    alexandre learn · 44問 · 2年前

    international signal flag

    international signal flag

    44問 • 2年前
    alexandre learn

    marcon

    marcon

    alexandre learn · 26問 · 2年前

    marcon

    marcon

    26問 • 2年前
    alexandre learn

    MARCOM

    MARCOM

    alexandre learn · 86問 · 1年前

    MARCOM

    MARCOM

    86問 • 1年前
    alexandre learn

    NAV 4

    NAV 4

    alexandre learn · 15問 · 1年前

    NAV 4

    NAV 4

    15問 • 1年前
    alexandre learn

    問題一覧

  • 1

    FOR SPECIFIC OPERATIONAL INSTRUCTIONS, PLEASE REFER TO THE EQUIPMENT OPERATORS MANUAL CARRIED ON BOARD YOUR SHIP.

    GMDSS DIGITAL SELECTIVE CALLING

  • 2

    IS A BRIEF BRUST OF DIGISTED INFORMATION TRANSMITTED FROM ONE STATION TO ALERT ANOTHER STATION OR STATIONS

    DSC MESSAGE

  • 3

    TO ENABLE THE TRANSMISSION AND RECEPTION OF DSC MESSAGE THE CONTROLLER IS ELECTRICALLY CONNECTED TO AN ASSOCIATED TRANSMITTER AND WATCH KEEPING RECEIVER

    DSC SHIPBRONE EQUIPMENT

  • 4

    INDICATES THE TYPE OF MESSAGE ( THE MESSAGE FORMAT) THAT IS BEING TRANSMITTED.

    FORMAT SPECIFIER

  • 5

    IDENTIFIES THE STATION BEING CALLED

    ADDRESS

  • 6

    DEFINES THE DEGREE OF PRIORITY OF THE CALL SEQUENCE

    CATEGORY

  • 7

    THE MMSI OF THE CALLING STATION IS STORED IN THE MEMORYOF THE DSC UNIT AND IS AUTOMATICALLY ADDED TO THE MESSAGE.

    SELF IDENTIFICATION

  • 8

    FUNCTION DEPENDS WHETER THE CALL IS A DISTRESS CALL OR OTHER TYPE OF CALL

    MESSAGE

  • 9

    FUNCTION INDICATES WHETHER A CALL REQUIRES ACKNOWLEDGEMENT OR THE CALL IS AN ACKNOWLEDGMENT OF A CALL RECEIVED

    END OF SEQUENCE

  • 10

    CHECKS THE DSC CALL FOR ERRORS USING A 10 UNIT ERROR DETECTING CODE.

    ERROR CHECK CHARACTER

  • 11

    EACH SHIP THAT COAST STATION FITTED WITH DSC IS ALLOCATED A UNIQUE NINE DIGIT IDENTIFICATION NUMBER

    MMSI

  • 12

    THESE CALL ARE ALWAYS ADDRESSED TO ALL STATIONS

    DISTRESS ALERT

  • 13

    NORMALLY ONLY SENT BY COAST STATIONS, THESE CALLS ARE ADDRESSED TO EITHER ALL STATION OR SHIP IN A DESIGNATED GEOGRAPHIC AREA

    DISTRESS ALERT RELAY

  • 14

    THESE BROADCAST MESSAGE CAN BE SENT AS EITHER URGENT OR SAFETY PRIORITY ANNOUNCEMENT.

    ALL SHIP / ALL STATIONS

  • 15

    THESE CALLS CAN ALSO BE EITHER URGENT OF SAFETY PRIORITY.

    SINGLE SHIP

  • 16

    AS A ROUTINE CALLS ARE PROHIBITED ON THE MF/HF DSC DISTRESS FREQUENCIES A SPECIAL TEST PROTOCOL CALL HAS BEEN DEVELOPED TO PRIVIDE BOTH SYSTEM VERIFICATION ANF OPERATOR FAMILIARISATION.

    MF/HF TEST

  • 17

    MORE MODERN VHF DSC RADIOS INCLUDE A TEST CALL WHICH ALLOW TEST CALLS TO OTHER VHF DSC RADIOS ON BOARD SHIP

    VHF TEST

  • 18

    THESE CALLS ARE ONLY SENT ON MF/HF FREQUENCIES SPECIALLY SET ASIDE FOR DSC COMMERCIAL CALLS AS THEY ARE PROHIBITED ON THE MF/HF DSC DISTRESS AND SAFETY FREQUENCIES.

    ROUTINE OR COMMERCIAL

  • 19

    MAY BE TRANSMITTED AS A SINGLE FREQUENCY OR A MULTIPLE FREQUENCY CALL ATTEMPT.

    DISTRESS ALERT ATTEMPS.

  • 20

    As describe in the preceding paragraphs, tha frequency for voice or NBDP communications to used after the initial DSC call must be specified for all proprities of calls except distress.

    frequency or channel for ongoing communications

  • 21

    A station transmitting an invertent distress alert or call shall cancel the transmission.

    cancellation of inadvent distress alerts ( fals distress alert)

  • 22

    For specific operational instruction please refer to the equipment operator manual carried by your ship.

    NBDP

  • 23

    Each character of the marine rafio telex code is represented by a combination of three lows and four highs or three marks and four spaces

    transmission of information

  • 24

    The following section describe the various modes of transmission offered by the NBDP system.

    mode of transmission

  • 25

    This mode offers full error correction capabilities anf is useable even in very poor radio conditions

    automatic re transmission request mode

  • 26

    This is a broadcast ( or one way) mode of operation

    the forward error correction mode

  • 27

    The transmitting station only send to a specified ship or ships, which are adress by their selcall numbers

    the selective forward error correction mode

  • 28

    Was the digital replacement of inmarsat - A

    Inmarsat -B

  • 29

    Offers high speed mobile and mobile packet data,including access to email and the internet and an advanced voice distress safety system.

    inmarsat fleet 77