SSC200 User’s Manual
Page ii Revision 1.8
Revision History Revision Description
1.0 Original document.
1.1 Minor editorial changes.
Corrected default rate for Rate of Turn PGN under Technical Specifications.
1.2 Minor editorial changes.
Removed Warranty Card.
1.3 Changed copyright to 2005.
Added text to describe new feature (programmable variation) under Section 1.2,
3.0, 3.3, and Appendix B.
1.4 Added Variation section.
Added Rate of Turn section.
Updated Appendix A Maretron Proprietary Execute Sentence definitions.
Updated Appendix A Maretron Proprietary Set Period sentence table.
Added programming examples to Appendix A Maretron Proprietary Set Period
for enabling, disabling, and changing frequency of transmission of different
NMEA 0183 sentences.
Added Calibration Warning
1.5 Added Firmware Revision section indicating firmware revision 1.9
Added note to Appendix A that checksums are optional and removed checksums
from received sentences.
Added deviation compass environment quality measurements report from
compass.
Added rate of turn zeroing section.
1.6 Updated Supported Firmware Revision to 2.0.
Incorporated instructions on interfacing directly to a PC as Appendix C
Incorporated Magnetic Variation App Note (AN2) as Appendix D
Incorporated HDT App Note (AN1) as Appendix E
Added support for 38400 baud rate for P/N M000021 compasses.
1.7 Updated Section 3.1.2 describing compass output after successful deviation.
Updated installation to include power connections through NMEA 2000 port
Updated installation – SSC200 can be installed upside down and/or backward
1.8 Corrected order of parameters in $PMAREXE,ATT sentence description
Added cautions about using red Loctite and acetone cleaners
Updated “Unpacking the Box” items list
Added Appendix F on changing the NMEA0183 identifier
Clarified usage of PMARSETPX vs. PMARSETP sentences
Added NMEA0183 sentence to cause SSC200 to retransmit last calibration
status message
Editorial note in NMEA 0183 connections about consulting manufacturer of
connected products for connection information
Added length of NMEA 0183 cable (10m)