41MN002000A © 2004 Navman NZ Ltd. All rights reserved. Proprietary information and specifications subject to change without notice.Message ID: 1303Rate: as required (maximum rate approximately 0.2 Hz)Message length: 8 wordsWord No. Name Type Units Range Resolution1-4 Message header5 Header checksum6 Sequence number (Note 1) I 0 to 32 767Invalidation control (7.0-7.15)7.0 Invalidate RAM (Note 2) Bit 0 to 17.1 Invalidate EEPROM (Note 3) Bit 0 to 17.2 Invalidate RTC (Note 4) Bit 0 to 17.3-7.14 Reserved7.15 Force cold start (Note 5) Bit 0 to 18 Data checksumNote 1: the sequence number is a count that indicates whether the data in a particular binary message has been updated orchanged since the last message input.Note 2: 1 = invalidate all RAM address space before restartNote 3: 1 = invalidate all data in the EEPROM device (if present) before restartNote 4: 1 = invalidate all data in the RTC device (if present) before restartNote 5: 1 = force a cold start reset by clearing RAM and ignoring, but not clearing, the stored position in EEPROM. This providescold start testing with the valid time. If cold start testing without time is desired, then the invalidate RTC bit (7.2) should also be set.Table 3-35 Message 1303 (restart command)3.5.2.13 Message 1303 (restart command).This message commands a full restart each time itis received.The contents of the ‘restart command’ messageare described in Table 3-35.
