Raymarine GPM400 Reference Manual page 6

Chapter 8: The Fishfinder .................................91
8.1 The fishfinder display ............................................... 92
8.2 Background information ........................................... 92
8.3 Operating the fishfinder ........................................... 92
8.4 Explaining the readout ............................................. 93
8.5 Factors influencing the readout ............................... 93
8.8 Adjusting gain and power ...................................... 102
8.9 Measuring depth and distance .............................. 103
8.10 Fishfinder alarms ................................................. 105
8.11 Editing presets ..................................................... 105
8.12 Fishfinder configuration ....................................... 107
Chapter 9: Sirius Weather (US only) ...............111
9.1 Disclaimer .............................................................. 112
9.2 Weather application pre-requisites ........................ 112
9.3 Weather application setup ..................................... 112
9.4 The weather display .............................................. 113
9.5 Moving around the weather map ........................... 113
9.6 Placing waypoints .................................................. 113
9.7 Weather symbols ................................................... 113
9.9 Viewing data for a specific position ....................... 119
9.10 Animated weather graphics ................................. 120
9.11 Viewing weather reports ...................................... 120
9.12 Troubleshooting ................................................... 121
Chapter 10: Navtex .........................................123
10.1 Setting up Navtex ................................................ 124
10.2 Selecting message alert categories ..................... 124
10.3 The Navtex message window .............................. 124
10.4 Managing Navtex messages ............................... 124
Chapter 11: Radar ...........................................127
11.1 Radar setup ......................................................... 128
11.3 Radar range and image quality ........................... 131
11.5 Using waypoints with the radar ............................ 135
11.9 Radar range ......................................................... 144
11.10 Measuring distance, range and bearing ............ 145
G-Series Installation & Commissioning
Chapter 12: Automatic Identification System ..157
12.1 Background .......................................................... 158
12.2 System requirements ........................................... 158
12.3 System settings .................................................... 158
12.4 AIS setup ............................................................. 158
12.5 Using AIS ............................................................. 159
12.6 The AIS data display ............................................ 159
12.7 Displaying AIS vectors ......................................... 160
12.8 Displaying safety-critical AIS data ........................ 160
12.9 Safe zones ........................................................... 161
12.10 MARPA and AIS options .................................... 162
12.11 AIS alarms ......................................................... 163
12.12 Simulator mode .................................................. 163
Chapter 13: Video ...........................................165
13.1 Video overview ..................................................... 166
13.2 Setting up the video application ........................... 166
13.3 Using composite video on input 1 ........................ 166
13.4 Setting a name for the video feed ........................ 166
13.5 Selecting a video input ......................................... 166
13.6 Cycling through video feeds ................................. 167
13.7 Adjusting the image ............................................. 167
Chapter 14: Sirius Audio (US only) .................169
14.1 Using Sirius Radio ............................................... 170
14.2 Tuning to a channel ............................................. 170
14.3 Browsing channels ............................................... 170
14.4 Scanning channels ............................................... 171
14.5 Hiding or showing channels and categories ........ 171
14.6 Presets ................................................................. 171
14.7 Parental locking ................................................... 172
14.8 Favourite song alerts ........................................... 172
Chapter 15: Course Deviation Indicator ..........175
15.1 The CDI display ................................................... 176
15.2 Using the CDI application ................................... 176
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