Garmin LVC 18 Technical Specification

Garmin LVC 18 Manual

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  • Garmin LVC 18 | Technical Specification - Page 1
    GPS 18 TECHNICAL SPECIFICATIONS  Garmin International, Inc. 1200 E. 151st Street Olathe, KS 66062 USA 190-00307-00, Revision D June 2005 GPS 18 Technical Specifications (190-00307-00) Rev. D
  • Garmin LVC 18 | Technical Specification - Page 2
  • Garmin LVC 18 | Technical Specification - Page 3
    of Garmin. Garmin hereby grants permission to download a single copy of this manual and of any revision to this manual onto garmin.com RECORD OF REVISIONS Revision A B C D Revision Date 4/5/04 6/7/04 5/24/05 6/6/05 Description Initial Release Revise to include PGRMO Add GPS 18 LVC-5m and GPS 18
  • Garmin LVC 18 | Technical Specification - Page 4
    ...6 1.5.4 GPS Performance ...6 1.5.4.1 Receiver...6 1.5.4.2 Acquisition Times ...6 1.5.4.3 Update Rate ...6 1.5.4.4 Accuracy ...6 1.5.5 Interfaces...7 1.5.5.1 GPS 18 Electrical Characteristics 7 1.5.5.2 Garmin Interface and Garmin USB Protocol 7 1.5.5.3 GPS 18 PC, GPS 18 LVC, & GPS 18-5Hz
  • Garmin LVC 18 | Technical Specification - Page 5
    Phase Output Format 24 Appendix C: Changing the Baud Rate in Garmin Mode 29 Appendix D: GPS 18 PC/ LVC/18-5Hz & Windows Serial Mouse Issue 30 Appendix E: Sensor Configuration Software 32 Downloading the Sensor Configuration Software 32 Selecting a Model...32 Connecting to the Sensor ...32
  • Garmin LVC 18 | Technical Specification - Page 6
  • Garmin LVC 18 | Technical Specification - Page 7
    and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. The GPS 18 does not contain any user-serviceable parts.
  • Garmin LVC 18 | Technical Specification - Page 8
    service, contact your local Garmin authorized dealer, or call Garmin Product Support at one of the numbers shown below for shipping instructions 8282 Garmin (Europe) Ltd. Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey, SO51 9DL, U.K. Tel. 44/0870.8501241 Fax 44/0870.8501251 GPS 18
  • Garmin LVC 18 | Technical Specification - Page 9
    proven technology found in other Garmin 12-channel GPS receivers, the GPS 18 tracks up to 12 satellites at a time while providing fast time-to-first-fix, precise navigation updates (five times per second for the GPS 18-5Hz, and once per second for the GPS 18 USB, 18 PC, and 18 LVC), and low power
  • Garmin LVC 18 | Technical Specification - Page 10
    Linux drivers are not available. After the drivers are loaded, the device appears to the Windows operating system as a USB-connected device and appears in Device Manager as a Garmin USB Device. 1.4.2 GPS 18 PC The GPS 18 PC interfaces to a serial port of a computer via a DB-9 connector and receives
  • Garmin LVC 18 | Technical Specification - Page 11
    ) 1.5.1.5 Cable Length • GPS 18 USB: 2 meter • GPS 18 PC: 2 meter • GPS 18 LVC: 3 meter (Garmin Part Number 010-00321-05) • GPS 18 LVC-5m: 5 meter (Garmin Part Number 010-00321-06) • GPS 18-5Hz: 5 meter 1.5.2 Electrical Characteristics 1.5.2.1 Input Voltage • GPS 18 USB: 4.4-5.5 V • GPS 18 PC: 8-30
  • Garmin LVC 18 | Technical Specification - Page 12
    -40°C to +90°C 1.5.4 GPS Performance 1.5.4.1 Receiver WAAS enabled; 12 parallel channel GPS receiver continuously tracks and uses up to Update Rate • GPS 18 USB, PC, and LVC: 1 record per second • GPS 18-5Hz: 5 records per second 1.5.4.4 Accuracy • GPS Standard Positioning Service (SPS) Position:
  • Garmin LVC 18 | Technical Specification - Page 13
    GPS 18 USB. Refer to the Garmin Device Interface Specification for details on the Garmin interface. At the time of this printing, these specs are available from the technical suppport section of our Web site: http://www.garmin.com/support/commProtocol.html. 1.5.5.3 GPS 18 PC, GPS 18 LVC, & GPS 18
  • Garmin LVC 18 | Technical Specification - Page 14
    and transmits voltage levels from ground to the input voltage, TIA-232-F (RS-232) polarity. The GPS 18 LVC/18-5Hz wires are terminated with a six-wire connector that is used by Garmin for testing purposes. You can remove this connector without voiding your warranty (see Section 1.2 Limited Warranty
  • Garmin LVC 18 | Technical Specification - Page 15
    Figure 2. PDA Serial Port Interconnection Figure 3. Basic NMEA Device Interconnection GPS 18 Technical Specifications (190-00307-00) Page 9 Rev. D
  • Garmin LVC 18 | Technical Specification - Page 16
    would tend to pull the insert out of the plastic. Figure 6 shows the dimensions of our GPS 18 Flush Mount, part number 010-10453-00. Figure 4a. GPS 18 Bottom Case Dimensions, Under Mold Figure 4b. GPS 18 Bottom Case, Outside of Casing GPS 18 Technical Specifications (190-00307-00) Page 10 Rev. D
  • Garmin LVC 18 | Technical Specification - Page 17
    Figure 5. GPS 18 Suction Cup Mount Center Hole Dimensions Figure 6. GPS 18 Flush Mount Dimensions Figure 7. GPS 18 Flush Mount Center Hole Dimensions GPS 18 Technical Specifications (190-00307-00) Page 11 Rev. D
  • Garmin LVC 18 | Technical Specification - Page 18
    .garmin.com/support/commProtocol.html. You can configure the GPS 18 USB to transmit binary phase data information over the USB interface. Refer to Appendix B: Binary Phase Output Format. The following sections describe the NMEA 0183 data format of each sentence transmitted and received by the GPS 18
  • Garmin LVC 18 | Technical Specification - Page 19
    for satellite acquisition. Receipt of this sentence by the GPS sensor causes the software to restart the satellite acquisition process. If there are ddmmyy format Current UTC time, hhmmss format for GPS 18 PC/LVC; hhmmss.s format for GPS 18-5Hz Receiver Command, A = Auto Locate, R = Unit
  • Garmin LVC 18 | Technical Specification - Page 20
    factory for the GPS 18 PC and LVC: GPGGA, GPGSA, GPGSV, GPRMC, and PGRMT. The following sentences are enabled at the factory for the GPS 18-5Hz: GPGGA, to Garmin Data Transfer format for the duration of the power cycle. The Garmin mode is required for GPS 18 series product software updates. GPS 18
  • Garmin LVC 18 | Technical Specification - Page 21
    including delimiters. Values in the table include the sentence start delimiter character "$" and the termination delimiter . For the GPS 18 PC and LVC, the factory set defaults result in a once per second transmission at the NMEA 0183 specification transmission rate of 4800 baud. For
  • Garmin LVC 18 | Technical Specification - Page 22
    GPS 18-5Hz outputs a UTC with a tenths-of-a-second precision: 123456.8, for example. The GPS sensor uses information obtained from the GPS leap second is 61 seconds long. The GPS sensor would have transmitted this information for the leap second added December 31, 1998 as follows: $GPRMC,235959,A,
  • Garmin LVC 18 | Technical Specification - Page 23
    fix, hhmmss format for GPS 18 PC or LVC; hhmmss.s format for GPS 185Hz Latitude, ddmm.mmmm format for GPS 18 PC/LVC; ddmm.mmmmm for GPS 18-5Hz (leading zeros will be transmitted) Latitude hemisphere, N or S Longitude, dddmm.mmmm format for GPS 18 PC/LVC; dddmm.mmmmm for GPS 18-5Hz (leading zeros
  • Garmin LVC 18 | Technical Specification - Page 24
    UTC time of position fix, hhmmss format for GPS 18 PC/LVC; hhmmss.s format for GPS 18-5Hz Status, A = Valid position, V = NAV receiver warning Latitude, ddmm.mmm format for GPS 18 PC/LVC; ddmm.mmmmm format for GPS 18-5Hz (leading zeros must be transmitted) Latitude hemisphere, N or
  • Garmin LVC 18 | Technical Specification - Page 25
    .mmm format for GPS 18 PC/LVC; ddmm.mmmmm format for GPS 18-5Hz (leading zeros must be transmitted) Longitude hemisphere, E or W Mode, M = manual, A = automatic and software version (variable length field, for example, "GPS 18 VER 2.05") ROM checksum test, P = pass, F = fail Receiver failure
  • Garmin LVC 18 | Technical Specification - Page 26
    Sensor Initialization Information (PGRMI), field . 4.4 MEASUREMENT PULSE OUTPUT (GPS 18 LVC & 18-5Hz ONLY) 4.4.1 One-Pulse-Per-Second (PPS) Output (GPS 18 LVC Only) The highly accurate one-pulse-per-second (PPS) output is provided for applications requiring precise timing measurements. After the
  • Garmin LVC 18 | Technical Specification - Page 27
    in $PGRMC Section 4.1.2 Sensor Initialization Information (PGRMI), field . APPENDIX A: EARTH DATUM LIST The following is a list of the Garmin GPS 18 Earth datum indices and the corresponding earth datum name (including the area of application): 0 ADINDAN-Ethiopia, Mali, Senegal, Sudan
  • Garmin LVC 18 | Technical Specification - Page 28
    NAHRWAN-Masirah Island (Oman) 69 NAHRWAN-Saudi Arabia 70 NAHRWAN-United Arab Emirates 71 OBSERVATORIO 1966-Corvo and Flores Islands (Azores) 72 OLD EGYPTIAN-Egypt GPS 18 Technical Specifications (190-00307-00) Page 22 Rev. D
  • Garmin LVC 18 | Technical Specification - Page 29
    103 Hu-Tzu-Shan 104 Indonesia 74 105 Austria 106 Potsdam 107 Taiwan-modified Hu-Tzu-Shan 108 GDA-Geocentric Datum of Australia 109 Dutch GPS 18 Technical Specifications (190-00307-00) Page 23 Rev. D
  • Garmin LVC 18 | Technical Specification - Page 30
    4 GPS 18 PC, GPS 18 LVC, & GPS 18-5Hz Software Interface. Refer to the Garmin Device Interface Specification for details on how to form and parse Garmin packets. At the time of this printing, these specs are available from the technical suppport section of our Web site: http://www.garmin.com/support
  • Garmin LVC 18 | Technical Specification - Page 31
    of data bytes - single byte) - cpo_all_sat_data - 0x## (2's complement of the arithmetic sum of the bytes between the delimiters) - 0x10 (DLE) - 0x03 (ETX is last byte) GPS 18 Technical Specifications (190-00307-00) Page 25 Rev. D
  • Garmin LVC 18 | Technical Specification - Page 32
    The USB Packet for the Satellite Record looks like: - 0x72 (Record ID - single byte) - 0x54 ( meters/second) Altitude velocity (meters/second) Mean sea level height (meters) UTC leap seconds Garmin days (days since December 31, 1989) GPS 18 Technical Specifications (190-00307-00) Page 26 Rev. D
  • Garmin LVC 18 | Technical Specification - Page 33
    rcvr_tow rcvr_wn cycles pr phase slp_dtct snr_dbhz svid numbers. valid Receiver time of week (seconds) Receiver week number Number of accumulated cycles Pseudorange (meters) To 0 = information not valid; non-zero = information valid GPS 18 Technical Specifications (190-00307-00) Page 27 Rev. D
  • Garmin LVC 18 | Technical Specification - Page 34
    DLE and ETX bytes: Sample C code to receive the two records should filter DLE and ETX in_que_ptr++ ] = data; } } else if ( rx_state == ETX ) { if ( data == DLE_BYTE ) { rx_state = DLE; } } if ( in_que_ptr > 255 ) { in_que_ptr = 0; } } GPS 18 Technical Specifications (190-00307-00) Page 28 Rev. D
  • Garmin LVC 18 | Technical Specification - Page 35
    garmin.com/support/commProtocol.html. 1. Turn off all requests by transmitting packet: id = IOP_RQST_DATA (0x1C) data = 0 (16-bit unsigned integer ) 2. The GPS unit will respond by sending a packet with id = IOP_ACK_BYTE (0x06) 3. After you receive rate. (For example, the GPS unit might send a baud
  • Garmin LVC 18 | Technical Specification - Page 36
    Output Data"). Use the Garmin Sensor Configuration Software, named SNSRCFG.EXE, provided on the Web site to enable "Phase Output Data." SNSRCFG.EXE is included with the latest GPS 18 firmware, available at http://www.garmin.com/support/agree.jsp?product=010-00321-05. Please note that by enabling
  • Garmin LVC 18 | Technical Specification - Page 37
    . 8. Place a check mark in the box next to "Binary Output Data" to change the GPS 18 to Garmin Mode. The unit will keep this change in the programming until you change it again in the software. Note: Selecting Config > Switch to Garmin Mode (or pressing the F11 key) only changes the unit to work in
  • Garmin LVC 18 | Technical Specification - Page 38
    the Sensor Configuration Software The Garmin Sensor Configuration Software (SNSRCFG.exe) is available from the Garmin Web site. To download the software, start at http://www.garmin.com/oem, select the GPS 18, and then select Software Updates. The Garmin Sensor Configuration Software (SNSRCFG.exe) is
  • Garmin LVC 18 | Technical Specification - Page 39
    of the fields in this window should be left alone. Please refer to the beginning of this manual for clarification about some of these fields. For the most part, this window is used to enter the box to enable or disable to the sentence. GPS 18 Technical Specifications (190-00307-00) Page 33 Rev. D
  • Garmin LVC 18 | Technical Specification - Page 40
    the Main Interface Window. Send Configuration To GPS (F9): Sends the changes you have made to the programming to the sensor. Switch to NMEA Mode (F10): Switches the unit to NMEA Mode. The sensor must be in NMEA Mode when connected to this software. Switch to Garmin Mode (F11): Switches the unit to
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GPS 18 Technical Specifications (190-00307-00)
Rev. D
Garmin International, Inc.
1200 E. 151
st
Street
Olathe, KS
66062 USA
190-00307-00, Revision D
June 2005
GPS 18
TECHNICAL
SPECIFICATIONS