Instruction/ maintenance manual of the product GPSMAP 421 Garmin
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GPSMAP 400/500 Series Installation Instructions Y our GPSMAP 400/500 series chartplotter must be properly installed according to the following instructions.
2 GPSMAP 400/500 Series Installation Instructions Selecting a Mounting Location Consider the following when selecting a location to mount your chartplotter: The location provides optimal viewing as you operate your boat. The location allows for easy access to the keypad on the chartplotter .
GPSMAP 400/500 Series Installation Instructions 3 Installing a T ransducer Consult the chartplotter feature matrix on page 1 to determine if your chartplotter is capable of using sonar . The following transducer installation procedures are only applicable to sonar -capable chartplotters.
4 GPSMAP 400/500 Series Installation Instructions T o mount the transducer on a transom: 1. Position the transducer mount at the selected transom location. Make sure the transducer is parallel with the water line. Mark the center locations of each hole on the transducer mount.
GPSMAP 400/500 Series Installation Instructions 5 6.RoutethetransducercabletotheGPSMAP400/500serieschartplotterusingcabletiestosecurethecabletothemotorshaft.
6 GPSMAP 400/500 Series Installation Instructions Installing the Wiring Harness The chartplotter comes with a wiring harness that connects the chartplotter to power and to optional NMEA 0183 and Garmin CANet devices. If applicable, the wiring harness also connects the chartplotter to a transducer .
GPSMAP 400/500 Series Installation Instructions 7 Connecting the Wiring Harness to a NMEA 0183 Device Y ou can connect the GPSMAP device to other NMEA compatible equipment, such as a DSC or AIS device. Refer to the wiring diagram for connecting the chartplotter to NMEA 0183-compatible devices.
8 GPSMAP 400/500 Series Installation Instructions Connecting the Wiring Harness to a Garmin CANet Device If your GPSMAP 400/500 series chartplotter is Garmin CANet-compatible, it can receive sonar information from a CANet-compatible Garmin Sounder or Fishnder device.
GPSMAP 400/500 Series Installation Instructions 9 Connecting Cables to the Chartplotter Use the diagrams below to help identify the connectors on the back of your GPSMAP 400/500 series chartplotter .
10 GPSMAP 400/500 Series Installation Instructions T o test the transom mount transducer installation: 1. Begin testing the installation at a slow speed. If the sonar appears to be working properly , gradually increase the speed of the boat while observing the operation of the sonar .
GPSMAP 400/500 Series Installation Instructions 1 1 Sonar Power: 1 kW Transducer , 1,000 W (RMS), 8,000 W (peak to peak); (1 kW transducers are supported by the GPSMAP 525s/526s/535s/536s/545s/546s/555s/556s units only .
For the latest free software updates (excluding map data) throughout the life of your Garmin products, visit the Garmin Web site at www .garmin.com. © 2009 Garmin Ltd. or its subsidiaries Garmin International, Inc. 1200 East 151 st Street, Olathe, Kansas 66062, USA Garmin (Europe) Ltd.
An important point after buying a device Garmin GPSMAP 421 (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 GPSMAP 421 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 GPSMAP 421 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Garmin GPSMAP 421 you will learn all the available features of the product, as well as information on its operation. The information that you get Garmin GPSMAP 421 will certainly help you make a decision on the purchase.
If you already are a holder of Garmin GPSMAP 421, 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 GPSMAP 421.
However, one of the most important roles played by the user manual is to help in solving problems with Garmin GPSMAP 421. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Garmin GPSMAP 421 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
