Steds Messaging Transmission Fids And Checksums; Steds Messages; Checksum Validation - Raymarine LIGHTHOUSE 3 Advanced Operation Instructions

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Important:
– In the United States of America (USA), the MMSI and Static Data must be entered only by
a Raymarine® dealer or other appropriately qualified installer of marine communications
equipment for marine vessels. In the USA, the user is NOT authorized to do this.
– In Europe and other parts of the world outside of the United States of America, the MMSI
can be set up by the user.
– For further details, refer to the relevant Telecommunications Regulatory Body for your region.
– In the United States of America (USA), the MMSI and Static Data must be entered only by
a Raymarine® dealer or other appropriately qualified installer of marine communications
equipment for marine vessels. In the USA, the user is NOT authorized to do this.
– In Europe and other parts of the world outside of the United States of America, the
MMSI can be set up by the user.
– For further details, refer to the relevant Telecommunications Regulatory Body for your
region.
• AIS mode — Determines the transmit/receive mode of STEDS AIS hardware. For details see:
p.219 — First responder AIS modes
• Passphrase — Enter the designated passphrase your team / organization is using to transmit and
receive STEDS messages.
• Clear passphrase — Deletes the entered passphrase.
• Passphrase auto-wipe — Passphrase expiry. Set the number of days before the passphrase is
automatically deleted (the passphrase will be wiped at 00:00 UTC).
• Data logging — Enables and disables Data logging.
• Logging interval — Time interval between recording data.
• Save to: — Select the card slot to use for Data logging.
• Advanced set-up — Configure OneShot TOI settings and STEDS messaging transmission FIDs
and checksums.
– For details on OneShot TOI settings see:
– For details on FIDs and checksums see:

STEDS messaging transmission FIDs and checksums

The SITREP and Static data functional IDs (FIDs) and FID checksum validation can be enabled and
disabled from the Advanced set-up menu. Homescreen > Settings > Responder > Advanced
set-up > Configure

STEDS messages

The following transmission SITREP and Static data FIDs are available:
• Tx FID 10 (SITREP)
• Tx FID 11 (Static data)
• Tx FID 56 (Legacy SITREP)
• Tx FID 57 (Legacy static data)
Note:
FID 10 and FID 11 are enabled by default. FID 56 and FID 57 are disabled by default.

Checksum validation

Checksum validation is enabled by default but can be enabled and disabled from the Transmission
checksums menu: Homescreen > Settings > Responder > Advanced set-up > Configure >
Transmission checksums.
When enabled received FID's checksums are checked to validate messages.
Checksum validation is available for the following FIDs:
• FID 3— PI message acknowledgement
• FID 4 — Target of interest — 15s
• FID 5 — Target of interest — 60s
First responder
p.216 — TOI OneShot settings
STEDS messaging transmission FIDs and checksums
209

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