Furuno GP-1971F - Page 5

TABLE OF CONTENTS
iv
5.9.1 How to delete a route from the pop up menu................................................. 5-7
5.9.2 How delete routes from the [Routes] list ........................................................ 5-7
5.9.3 How to delete routes from the menu.............................................................. 5-7
5.10 Route Calculation Speed Setup ................................................................................. 5-7
5.11 Show/Hide Routes On-Screen ................................................................................... 5-7
5.12 How to Navigate a Route ........................................................................................... 5-8
5.12.1 How to select a route from the screen ........................................................... 5-8
5.12.2 How to select a route from the [Routes] list ................................................... 5-8
5.12.3 How to navigate from a specified point in a route .......................................... 5-8
5.13 Changing Route Navigation ....................................................................................... 5-8
5.13.1 How to restart navigation ............................................................................... 5-8
5.13.2 How to follow a route in reverse order ........................................................... 5-9
5.13.3 How to stop following a route......................................................................... 5-9
5.13.4 How to set the XTE (off-course) width ........................................................... 5-9
5.13.5 How to adjust the size of the arrival notification area................................... 5-10
5.13.6 How to enable/disable the arrival notification............................................... 5-10
5.13.7 How to keep or discard a route destination once you arrive ........................ 5-10
6. FISH FINDER .........................................................................................................6-1
6.1 Fish Finder Display .................................................................................................... 6-1
6.2 How to Set Up the Transducer................................................................................... 6-1
6.3 Start/Stop Transmission............................................................................................. 6-2
6.4 How to Select a Display ............................................................................................. 6-2
6.4.1 Single/dual frequency displays and zoom displays........................................ 6-2
6.4.2 A-scope display.............................................................................................. 6-2
6.4.3 Bottom discrimination display......................................................................... 6-3
6.5 Automatic Fish Finder ................................................................................................ 6-4
6.5.1 How to select the automatic mode................................................................. 6-4
6.5.2 How to adjust the gain in the auto mode........................................................ 6-4
6.5.3 How to offset the bottom echo ....................................................................... 6-5
6.6 Manual Fish Finder Operation.................................................................................... 6-5
6.6.1 How to select the manual mode..................................................................... 6-5
6.6.2 How to select a display range ........................................................................ 6-5
6.6.3 How to shift the range .................................................................................... 6-5
6.6.4 How to adjust the gain.................................................................................... 6-6
6.7 How to Reduce Clutter ............................................................................................... 6-6
6.8 How to Reduce Interference ...................................................................................... 6-6
6.9 How to Erase Weak Echoes ......................................................................................6-6
6.10 White Marker, White Edge ......................................................................................... 6-6
6.10.1 White marker.................................................................................................. 6-6
6.10.2 White edge..................................................................................................... 6-7
6.11 How to Balance Echo Strength .................................................................................. 6-7
6.12 Zero Line .................................................................................................................... 6-7
6.13 Picture Advance Speed.............................................................................................. 6-7
6.14 Depth/Time Measurements........................................................................................6-8
6.15 How to Show Past Echoes......................................................................................... 6-8
6.16 Fish Finder Display Settings ......................................................................................6-9
6.17 ACCU-FISHTM .......................................................................................................... 6-9
6.17.1 Considerations for ACCU-FISHTM ................................................................ 6-9
6.17.2 How to activate ACCU-FISHTM, select display information ........................ 6-10
6.17.3 Fish size correction ...................................................................................... 6-10
6.17.4 How to filter the ACCU-FISH display ........................................................... 6-10
6.18 RezBoost
™
............................................................................................................... 6-11
6.19 Fish Finder Alerts and Alarms.................................................................................. 6-11
6.19.1 How to set the detection level ...................................................................... 6-11
6.19.2 How to set the alarm for fish near the seabed ............................................. 6-11