Instruction/ maintenance manual of the product GBR23 Garmin
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owner’ s manual and refer ence guide GBR 23 beacon receiver GBR23Cover.p65 5/19/00, 3:39 PM 1.
© 2000 GARMIN Corporation GARMIN International, Inc. 1200 East 151st Street, Olathe, Kansas 66062, U.S.A. T el. 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.
1 Introduction Limited W arranty GARMIN Corporation warrants this product to be fr ee from defects in materials and manufacture for one year from the date of pur chase. GARMIN will, at its sole option, repair or replace any components that fail in normal use.
2 Introduction Cautions All differ ential beacon receivers decode correction data determined at the beacon transmitter site via a GPS receiver(s). The GPS system is operated by the govern- ment of the United States which is solely responsible for their accuracy and maintenance.
3 Introduction T able of Contents Introduction Limited W arranty ..............................................1 Cautions ..........................................................2 T able of Contents ............................................3 Product Registration .
4 Introduction Product Registration Customer Service Pr oduct Registr ation Help us better support you by completing our on-line registration today! Have the serial number of your GBR 23 handy and connect to our website ( www .garmin.com ). Look for the Product Registration link on the Home page.
5 Capabilities The GBR 23 offers a host of powerful capabilities to enhance the performance and accuracy of your GPS receiver: • Per formance— The single channel receiver has high-sensitivity automatic and manual tuning throughout the beacon br oadcast band.
6 Mounting the Receiver Please r ead through these instructions thoroughly befor e attempting installation. Make sur e you completely understand these instructions before you begin.
7 Installation Mounting the Receiver If a problem is found, try altering the location of the unit or wiring. Often moving the antenna a few feet away from the sour ce of interference will solve the problem. When a suitable configuration is found, a permanent installation should be made.
8 Installation Connecting the GBR 23 Connecting the GBR 23 T o Y our GPS Unit The final step in installing the GBR 23 is to connect the receiver’ s DA T A IN, DA T A OUT and GROUND lines to your GPS unit.
9 Installation Connecting GBR and GPS Figure 3: Sample Wiring to GARMIN GPS Units GBR 23 8-35 VDC (5) WHITE: REMOTE ON/OFF* (1) RED: 8-35 VDC (2) BLACK: GROUND Switch Power/Data Cable Remote Power Swi.
10 Installation Connecting GBR and GPS Figure 3 (cont.): Sample Wiring to GARMIN GPS Units GBR 23 8-35 VDC UNITS WITH 6 PIN PLUG GBR 23 8-35 VDC UNITS WITH 7 PIN PLUG (7) YELLOW: ALARM GBR 23 8-35 VDC.
11 Using the GBR 23 When using the GBR 23, tuning may be either done automatically or controlled by the GPS unit. Y our GARMIN GPS unit provides a Beacon Receiver Setup Page and, in some cases, Beacon Log Page for this purpose.
12 7. If the beacon signal is received, but no DGPS correction data is included, the message “No Data” will appear at the bottom of the page . If no beacon signal is received, the “SNR” field will remain blank, “No Status” will appear at the bottom of the page .
13 GPS SIGNAL GPS SIGNAL DGPS (CORRECTION) SIGNAL SHIPBOARD GPS AND DGPS RECEIVERS CORRECTION DA T A GPS RECEIVER ST ATION AND DGPS TRANSMITTER Reference After entering the beacon’ s operating fr equency , set the bit rate as indicated on the Beacon Refer ence Card.
14 The Main Menu Page on the GPS III/III+/12Map/ Navtalk. Select ‘Setup’ to make the desir ed interface settings. From the Interface Page, select ‘R TCM/NMEA ’ to properly interface with the GBR 23.
15 Sour ces of Err or Using a DGPS Beacon Receiver with your existing GPS Receiver can provide substantial impr ovements in accuracy; however , there may be occasions when the best possible accuracy will not occur . Several factors can contribute to a degraded DGPS accuracy .
16 Reference Sources of Error Number of Satellites Visible — As previously stated, the number of satellites available can affect position accuracy . T o apply the corrections pr ovided for the satellites received at the beacon transmitter station, the same satellites (at least in part) must be received by your GPS receiver .
17 1) “Check Wiring” displayed on GPS unit Power switch/wiring faulty . Fuse/breaker blown (if used). GBR 23 not wired pr operly with GPS unit. Check wiring.
18 Reference T roubleshooting Chart If the ‘No Differ ential GPS Position’ message is displayed on your GPS r eceiver , corr ection data may not be available. This may be due to a missing or weak beacon signal, not enough GPS satellites or bad wiring connection between the GBR 23 and GPS.
19 Reference Physical Size: 4.6”W x 5.3”H (117mm x 135mm) W eight: 23.9 ounces (0.678 kg) Operating Range: -68°F to +158°F (-20°C to +70°C) W aterproof: -1 meter submersion for 30 minutes IPX7 rating for IEC529 Mount Thread Size: 1” diameter at 14 threads/inch Power V oltage: 8 - 35 vDC using supplied power/data cable .
20 A Antenna mount..................................6, 7 Auto-tuning................................9, 11-12 B Baud rate....................................8, 11-12 Beacon Log Page..................................12 Beacon Range......................
GBR23Cover.p65 5/19/00, 3:39 PM 3.
© 2000 GARMIN Corporation GARMIN International, Inc. 1200 East 151st Street, Olathe, Kansas 66062, U.S.A. GARMIN (Europe) Ltd. Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey , SO51 9AQ, U.K. GARMIN (Asia) Corporation No. 68, Jangshu 2nd Rd.
An important point after buying a device Garmin GBR23 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Garmin GBR23 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Garmin GBR23 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Garmin GBR23 you will learn all the available features of the product, as well as information on its operation. The information that you get Garmin GBR23 will certainly help you make a decision on the purchase.
If you already are a holder of Garmin GBR23, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Garmin GBR23.
However, one of the most important roles played by the user manual is to help in solving problems with Garmin GBR23. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Garmin GBR23 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center