Maretron SSC200 User Manual download pdf (Page 45)

Revision 1.8 Appendix F – Changing the NMEA 0183 Identifier Page F1

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Appendix F – Changing the NMEA0183 Identifier

Transmitted by the SSC200

The identifier for NMEA0183 sentences transmitted by the SSC200 is set by the factory to be “II”; however, some

users may need to change this to other values. This addendum explains how to change the NMEA 0183 identifier

for the SSC200.

Prerequisites:

The SSC200 compass must have firmware revision 1.7 or greater.

Instructions:

1. Connect the SSC200 to the PC's serial port and obtain the “cmd>” prompt per the instructions in

Appendix C.

2. Type the following sentence

$PMAREXE,SSC200,,DF,??,,,

Where ?? is replaced by the two-character identifier you wish the SSC200 to transmit (for example, to

change to a heading of HE, type the sentence

$PMAREXE,SSC200,,DF,HE,,,

*Note: For compasses with firmware revision 1.8 or greater, a NMEA 0183 checksum is optional. For

compasses with earlier firmware revisions, a correct NMEA 0183 checksum is required.

3. Type “exit” or simply power the SSC200 off and then on again. You should now observe sentences being

transmitted using the desired NMEA 0183 identifier.

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Maretron SSC200 User Manual Page 45