Navman 12 GPS Receiver User Manual


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MN002000A © 2004 Navman NZ Ltd. All rights reserved. Proprietary information and specifications subject to change without notice.
3.5.2.13 Message 1303 (restart command). ..............................................................................41
3.5.2.14 Message 1310 (frequency standard input parameters). ..............................................42
3.5.2.15 Message 1317 (power management control). ..............................................................43
3.5.2.16 Message 1330 (
serial port communication parameters). ............................................44
3.5.2.17 Message 1331 (message protocol control) ..................................................................45
3.5.2.18 Message 1350 (
factory calibration input). .....................................................................45
3.5.2.19 Message 1351 (raw DGPS RTCM SC-104 data) ..........................................................46
3.5.2.20 Message 1360 (frequency standard table input data). ................................................47
3.5.2.21 Message 1380 (
flash reprogram). ............................................................................... 47
3.6 Jupiter NMEA data messages .................................................................................... 48
3.6.1 NMEA output message descriptions ...................................................................................... 48
3.6.1.1 Navman proprietary Built-In Test (BIT) results ..............................................................48
3.6.1.2 Navman proprietary error/status (ERR) ..........................................................................
49
3.6.1.3 GPS fix data (GGA) .........................................................................................................49
5.6.1.4 GPS satellites active and DOP (GSA)
. .........................................................................50
3.6.1.5 GPS satellites in view (GSV) ...........................................................................................50
3.6.1.6 Navman proprietary receiver ID (RID) ............................................................................51
3.6.1.7 Recommended minimum specific GPS data (RMC) .......................................................
52
3.6.1.8 Course over ground and ground speed (VTG). .............................................................53
3.6.1.9 Navman proprietary Jupiter channel status (ZCH). .......................................................
54
3.6.2 NMEA input message descriptions. ...................................................................................... 55
3.6.2.1 Navman proprietary built-in test command message (IBIT). .........................................55
3.6.2.2 Navman proprietary log control essage (ILOG). ...........................................................
55
3.6.2.3 Navman proprietary receiver initialisation message (INIT). ..........................................56
3.6.2.4 Navman proprietary protocol message (IPRO). ............................................................
57
3.6.2.5 Standard query message (Q). .......................................................................................57
4.0 Jupiter GPS receiver operation ................................................................ 58
4.1 Internal (on board) data sources ................................................................................ 58
4.1.1 Static Random Access Memory (SRAM) ................................................................................ 58
4.1.2 Real-time clock (RTC) .............................................................................................................
58
4.1.3 Electrically Erasable Programmable Read- Only Memory (EEPROM) .................................. 58
4.1.4 Read-Only Memory (ROM) ..................................................................................................... 58
4.2 Initialisation .................................................................................................................. 58
4.2.1 Definition ................................................................................................................................. 58
4.2.2 Position, Velocity, Time (PVT) data ........................................................................................ 58
4.2.3 Satellite ephemeris ................................................................................................................. 58
4.2.4 Satellite almanac ....................................................................................................................
58
4.2.5 Universal Time Coordinated (UTC) and ionospheric parameters ..........................................
58
4.3 Configuration ............................................................................................................... 59
4.3.1 Definition ................................................................................................................................. 59
4.3.2 Geodetic datums .....................................................................................................................
59
4.3.3 Satellite selection ...................................................................................................................
59
4.3.4 Differential GPS (DGPS) control ............................................................................................
60
4.3.5 Cold start control .................................................................................................................... 60
4.3.6 Solution validity criteria ........................................................................................................... 60
4.3.7 User-entered altitude ..............................................................................................................
60
4.3.8 Vehicle platform select ...........................................................................................................
60
4.3.9 Navigation control ...................................................................................................................
60
4.3.10 Configuration straps .............................................................................................................. 60
4.3.10.1 National Marine Electronics Association (NMEA) Select .............................................60
4.3.10.2 ROM defaults. ..............................................................................................................
60
4.4 Start-up modes ............................................................................................................. 60
4.4.1 Warm start ............................................................................................................................... 60
4.4.2 Initialised start ......................................................................................................................... 60
4.4.3 Cold start ................................................................................................................................
60
4.4.4 Frozen start ..............................................................................................................................61
4.5 Satellite management ....................................................................................................61
4.5.1 Visible list generation. ..............................................................................................................61
4.5.1.1 Dilution Of Precision (DOP) ............................................................................................
61
4.5.2 Acquisition modes ...................................................................................................................62
4.5.2.1 Sequential acquisition .....................................................................................................
62
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