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DGPS 53
integrated
GPS/DGPS receiver
owner’s
manual
and
reference
guide
DGPS53Cover.p65 1 8/29/00, 11:10 AM
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© 2000 GARMIN Corporation GARMIN International, Inc. 1200 East 151st Street, Olathe, Kansas 66062, U.S.A. Tel. 913/397.8200 or 800/800.1020 Fax 913/397.8282 GARMIN (Europe) Ltd. Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey, SO51 9AQ, U.K. Tel. 44/1794.519944 Fax 44/1794.519222 GARMIN (Asia) Corporation No. 68, Jangshu 2nd Rd., Shijr, Taipei County, Taiwan Tel. 886/02.2642.8999 Fax 886/02.2642.9099 All rights reserved. Except as expressly provided herein, no part of this manual m
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Introduction GARMIN Corporation warrants this product to be free from defects in materials and workmanship for one year Limited Warranty from the date of purchase. GARMIN will, at its sole option, repair or replace any components that fail in normal use. Such repairs or replacement will be made at no charge to the customer for parts or labor. The customer is, however, responsible for any transportation costs. This warranty does not cover failures due to abuse, misuse, accident or unauthorized al
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Introduction All differential beacon receivers decode correction data determined at the beacon transmitter site via a GPS Cautions receiver(s). The GPS system is operated by the govern- ment of the United States which is solely responsible for their accuracy and maintenance. The DGPS beacon transmitters are operated by the U.S. Coast Guard (or similar government agency in other countries) which is responsible for their accuracy and maintenance. The Global Positioning System and the Differential
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Introduction Table of Contents Introduction Limited Warranty..............................................1 Cautions ..........................................................2 Table of Contents ............................................3 Product Registration ........................................4 Overview Capabilities & Package Contents......................5 Installation Mounting the DGPS 53................................6-7 Connecting DGPS 53....................................8-9 Opera
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Introduction Customer Service Product Registration Help us better support you by completing our on-line Product registration today! Have the serial number of your DGPS Registration 53 handy and connect to our website (www.garmin.com). Look for the Product Registration link on the Home page. If you have previously registered a GARMIN product purchase using a mail-in registration card, we invite you to reregister using our NEW on-line system. Many services provided by our new product registration
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Overview Capabilities The DGPS 53 offers a host of powerful capabilities for Capabilities & enhanced performance and accuracy: Package Contents • Performance— 12-channel GPS receiver tracks and uses up to 12 satellites for fast, accurate positioning. Single channel DGPS receiver has high-sensitivity automatic and manual tuning throughout the beacon broadcast band. • Ease of Use— Once installed, unit will automati- cally transmit navigation data. • Convenience— May be remotely mounted in an out-o
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Installation Mounting the Receiver Please read through these instructions thoroughly before Mounting the attempting installation. Make sure you completely understand DGPS 53 these instructions before you begin. When in doubt, seek professional assistance. The following additional items are needed or optional to complete the installation of your DGPS 53: • Antenna mount— Since antenna mounting locations and methods vary, you will need to obtain an antenna mount to install the DGPS 53. The receive
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Installation Three common sources of interference for DGPS units are: Mounting the ABOVE- OK Receiver Radar BELOW- OK 3' Radar VHF Radio Antenna I When routing the power/data cable, try to avoid: EMI • Sharp edges which may cut the cable • Routing the cable parallel to other power lines EMI (Electromagnetic Interference) from engine components • Excessively twisting, straining or bending the cable If a problem is found, try altering the location of the unit or wiring. Often moving the a
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5 3 2 1 3 2 1 13 Installation Connecting the DGPS 53 The final step in installing the DGPS 53 is to connect the receiver’s DATA IN, DATA OUT, REMOTE ON/OFF Connecting the and GROUND (Return) lines to your chartplotter or PC. DGPS 53 The DGPS 53 is designed to transmit/receive data at 4800-19200 baud (bits per second), which is suitable for use with most devices and PCs. F For reliable communication, it is essential that the DGPS 53 and the receiving device share the same ground. If the DGPS 53 i
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1 Installation Connecting the DGPS 53 7 1 (-) (+) Fuse DGPS 53 2-6A Power/Data Cable & 6 2 8-35VDC Chartplotter Connection Chartplotter 3 5 4 (1) RED: 8-35 VDC GROUND (2) BLACK: GROUND (5) WHITE: REMOTE ON/OFF* DATA OUT (4) BROWN: DATA IN DATA IN (3) BLUE: DATA OUT (6) GREEN: DGPS STATUS LED DGPS 53 (7) YELLOW : PPS Power/Data Cable Figure 3: Wiring a Chartplotter To the DGPS 53 7 1 (-) (+) Fuse DGPS 53 2-6A 6 2 Power/Data Cable & 8-35VDC DB-9 Serial Connection 5 3 4 (1) RE
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Operation First Time Fix Using the Once the DGPS is installed and powered on, it will DGPS 53 begin to search for satellites and a DGPS beacon signal. Initially, it may take longer than normal to scan through the DGPS beacon frequencies. The DGPS 53 will output corrected navigation data once it has calculated an initial position fix and sucessfully received a DGPS signal. The following data will be output in NMEA 0183, Version 2.0 format: • Latitude/Longitude/Altitude • Velocity • Date/Time • Er
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Operation The following sections describe the NMEA data format of each sentence transmitted and received by the Using the DGPS 53. The baud rate selection and one-pulse-per- DGPS 53 second output interfaces are also described. NMEA Received sentences This section defines the sentences which can be NMEA Received sentences: received by the DGPS 53. Null fields in the configuration GPALM sentence indicate no change in the particular configuration PGRMI PGRMC parameter. PGRMO All sentences received
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Operation Using the DGPS 53 Sensor Initialization Information (PGRMI) The $PGRMI sentence provides information used to initialize the position and time used for satellite acquisition. Receipt of this sentence by the DGPS 53 causes the software to restart the satellite acquisition process. If there are no errors in the sentence, it will be echoed upon receipt. If an error is detected, the echoed PGRMI sentence will contain the current default values. Current PGRMI defaults can also be obtained by
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Operation All configuration changes take effect after receipt of a valid value except baud rate and PPS mode. Baud rate and PPS mode changes take effect on the next power cycle. Using the DGPS 53 Output Sentence Enable/Disable (PGRMO) The $PGRMO sentence provides the ability to enable and disable specific output sentences. The following sentences are enabled at the factory: GPGGA, GPGSA, GPGSV, GPRMC, and PGRMT. $PGRMO,<1>,<2>*hh <1> Target sentence description (e.g., PGRMT, GPGSV, etc.)
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Operation Using the DGPS 53 NMEA Transmitted Sentences This section defines the sentences which can be output by the DGPS 53. (GPALM, GPGGA, GPGSA, GPGSV, GPRMC, GPVTG, PGRME, PGRMT, PGRMV, PGRMF, LCGLL, LCVTG) Sentence Transmission Rate Sentences are transmitted with respect to the user selected baud rate. Regardless of the selected baud rate, the information transmitted by the DGPS 53 is referenced to the one-pulse-per-second output pulse immediately preceding the GPRMC sentence. The maximum n
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Operation Global Positioning System Fix Data (GGA) $GPGGA,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>,M,<10>,M,<11>,<12>*hh Using the <1> UTC time of position fix, hhmmss format DGPS 53 <2> Latitude, ddmm.mmmm format (leading zeros will be transmitted) <3> Latitude hemisphere, N or S <4> Longitude, dddmm.mmmm format (leading zeros will be transmitted) <5> Longitude hemisphere, E or W <6> GPS quality indication, 0 = fix not available, 1 = Non-differential GPS fix available, 2 = Differential GPS (
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Operation Using the DGPS 53 Recommended Minimum Specific GPS/TRANSIT Data (RMC) $GPRMC,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>,<10>,<11>,<12>*hh <1> UTC time of position fix, hhmmss format <2> Status, A = Valid position, V = NAV receiver warning <3> Latitude, ddmm.mmmm format (leading zeros will be transmitted) <4> Latitude hemisphere, N or S <5> Longitude, dddmm.mmmm format (leading zeros will be transmitted) <6> Longitude hemisphere, E or W <7> Speed over ground, 000.0 to 999.9 knots (lead
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Operation Track Made Good and Ground Speed with LORAN Talker ID (LCVTG) Using the The LCVTG sentence reports track and velocity information. DGPS 53 $LCVTG,<1>,T,<2>,M,<3>,N,<4>,K,<5> <1> True course over ground, 000 to 359 degrees (leading zeros will be transmitted) <2> Magnetic course over ground, 000 to 359 degrees (leading zeros will be transmitted) <3> Speed over ground, 000.0 to 999.9 knots (leading zeros will be transmitted) <4> Speed over ground, 0000.0 to 1851.8 kilometers per h
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Operation Using the DGPS 53 $PGRMT,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>*hh <1> Product, model and software version <2> ROM checksum test, P = pass, F = fail <3> Receiver failure discrete, P = pass, F = fail <4> Stored data lost, R = retained, L = lost <5> Real time clock lost, R = retained, L = lost <6> Oscillator drift discrete, P = pass, F = excessive drift detected <7> Data collection discrete, C = collecting, null if not collecting <8> Board temperature in degrees C <9> Board configur
