Tragant NL-504ETTL manual

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Table of contents for the manual

  • Page 1

    1 MTK NMEA Packet User Manual Revision: 0.3 Linked FW Version: 1.902_06 Release Date: 2006/05/02 MediaTek Inc. MTK NMEA Packet Format Preamble TalkerID PktType DataField * CHK1 CHK2 CR LF Packet Length: The maximum length o f each packet i s restricted to 25 5 bytes Packet Contents: Preamb le : One byte char acter. ‘ $ ’ TalkderID : Four byt es[...]

  • Page 2

    2 MTK NMEA Packet P rotocol : In order to inform t he sender whether the receiver has received the packet, an acknowl edge packet PMTK_ACK should return af ter the receiver receives a packet. MTK NMEA Packet List: Packet Type: 000 PMTK_TEST .. ... .. ... ... .... ... .. .... ... .... ... ... .. .... .... .. ... ... .... ... .. ... .... ... ... .. .[...]

  • Page 3

    P R O F E S S I O N A L I N N A V I G AT I O N & C O M M U N I C A T I O N 3 Packet Type: 000 PMT K_TEST Packet Me aning: Test Packet. DataField : None Exampl e: $PMTK 000*32<CR>< LF> Packet Type: 001 PMT K_ACK Packet Me aning: A cknowledg e Packet DataField : PktType: Th e packet t ype t he acknowled ge respon ds. Flag: ‘0’ = I[...]

  • Page 4

    4 None Exampl e: $PMTK 101*32<CR>< LF> Packet Type: 102 PMT K_CMD_WARM_START Packet Me aning: Warm R estart: D on't use Ephemer is at re-star t. DataField : None Exampl e: $PMTK 102*31<CR>< LF> Packet Type: 103 PMT K_CMD_COLD_START Packet Me aning: Cold Re start: Don't use Time , Position, A lmana cs and Ephem eris[...]

  • Page 5

    5 ‘0’: No D GPS source ‘1’: RTC M ‘2’: WAAS Exampl e: $PMTK 301,1*2D<CR ><LF> Packet Type: 313 PMT K_API_SET_SBAS_ENABLED Packet Me aning: API_Set_Sbas_Enabled Enable to search a S BAS satellite or not. DataField : Enabled: Enable or d isable ‘0’ = Disabl e ‘1’ = Enable Exampl e: $PMTK 313,1*2E<C R><LF> P[...]

  • Page 6

    6 Supported Frequency Setting 0 - Disabled or not supported sentence 1 - Output once every one posi tion fix 2 - Output once every two positi on fixes 3 - Output once every three positi on fixes 4 - Output once every four position fixes 5 - Output once every fi ve position fixes Exampl e: $PMTK 314,1,1,1,1, 1,5,1,1, 1,1,1,1,0,1, 1,1,1*2C <CR>[...]

  • Page 7

    7 $PMTK 401*37<CR>< LF> Packet Type: 413 PMT K_API_Q_SBAS_ENABLED Packet Me aning: API_Query_S bas_Ena bled DataField : None Return : PMTK_ DT_SBA S_ENABLED Exampl e: $PMTK 413*34<CR>< LF> Packet Type: 414 PMT K_API_Q_NMEA_OUTPUT Packet Me aning: API_Query_NMEA_Out Query current NM EA sentence output frequencies. DataField :[...]

  • Page 8

    8 DGPS Data S ource Mod e DataField : Mode: DGPS data sour ce mode ‘0’: No D GPS source ‘1’: RTC M ‘2’: WAAS Exampl e: $PMTK 501,1*2B<CR ><LF> Packet Type: 513 PMT K_DT_SBAS_ENABLED Packet Me aning: Enable to search a S BAS satellite or not. DataField : Enabled: Enable or d isable ‘0’ = Disabl e ‘1’ = Enable Exampl e[...]

  • Page 9

    9 Mode: 0: PWR_SAV_O FF: power saving mode off 1: PWR_SAV_ON: power savi ng mode on Exampl e: $PMTK 520,0*24<CR>< LF> Packet Type: 604 PMT K_Q_VERSION Packet Me aning: Quer y the ver sion informa tion of FW DataField : NONE Return : PMTK_DT _VERSION Exampl e: $PMTK 604*6D<CR><L F> Packet Type: 704 PMT K_DT_VERSION Packet Me [...]