GPSMAP 392/398/492/498 Owner’s Manual iii
INTRODUCTION > TABLE OF CONTENTS
Using Sonar .......................................................................72
Understanding Sonar ............................................................ 72
Sonar Tab Options ................................................................ 79
Flasher Page .......................................................................... 84
Map Split Page ....................................................................... 85
Appendix ............................................................................86
Specifications ........................................................................ 86
Installing the GPSMAP 492/498 External GPS Antenna ..... 87
Mounting the GPSMAP 392/398/492/498 ............................. 88
Installing the Transducer ...................................................... 90
Connecting the Power/Data Cable ....................................... 92
Interfacing .............................................................................. 93
Installing and Removing Data Cards ................................... 94
Satellite Information .............................................................. 95
What is WAAS/EGNOS? ........................................................ 96
What is a Maritime Mobile Service Identity (MMSI)? .......... 97
How ARE MMSI assignments obtained? ............................. 97
Navigation Terms .................................................................. 98
Messages and Alarms ......................................................... 100
LORAN TD System .............................................................. 103
Optional Accessories .......................................................... 105
Software License Agreement ............................................. 106
Product Registration ........................................................... 106
Limited Warranty ................................................................. 107
FCC Compliance .................................................................. 108
Declaration of Conformity (DoC) ....................................... 108
Index .................................................................................109
