TABLE OF CONTENTS
vii
6.7.7 How to select the EBL reference....................................................................6-9
6.8 How to Measure the Range and Bearing Between Two Targets .............................6-10
6.9 How to Off-center the Picture ...................................................................................6-10
6.10 Heading Line ............................................................................................................6-10
6.11 How to Reduce Radar Interference..........................................................................6-11
6.12 Guard Zone ..............................................................................................................6-11
6.12.1 How to set the guard zone ...........................................................................6-11
6.12.2 How to activate or deactivate the guard zone ..............................................6-11
6.12.3 How to hide the guard zone .........................................................................6-12
6.12.4 Guard zone menus.......................................................................................6-12
6.13 Watchman ................................................................................................................6-12
6.14 Echo Trails................................................................................................................6-13
6.14.1 How to show or hide echo trails ...................................................................6-13
6.14.2 How to clear echo trails to restart new echo trails........................................6-13
6.14.3 Echo trail time...............................................................................................6-13
6.14.4 Echo trail mode (reference)..........................................................................6-14
6.14.5 Echo trail color..............................................................................................6-14
6.14.6 Echo trail shading.........................................................................................6-15
6.15 Echo Stretch.............................................................................................................6-15
6.16 Echo Average...........................................................................................................6-15
6.17 Sweep Fade .............................................................................................................6-16
6.18 How to Show, Hide or Cancel an Active Route ........................................................6-16
6.19 How to Show or Hide the Boat Icon..........................................................................6-17
6.20 Echo Color................................................................................................................6-17
6.21 Background Color.....................................................................................................6-17
6.22 Radar Overlay Range Link .......................................................................................6-18
6.23 Dual-Range Display..................................................................................................6-18
6.24 FAR-2xx7 Radar Series and NavNet TZtouch .........................................................6-19
6.25 How to Understand the Radar Display .....................................................................6-20
6.25.1 False echoes ................................................................................................6-20
6.25.2 Search and rescue transponder (SART) ......................................................6-22
6.26 ARPA Operation.......................................................................................................6-23
6.26.1 How to show or hide the ARPA display........................................................6-23
6.26.2 How to manually acquire a target.................................................................6-23
6.26.3 How to automatically acquire a target ..........................................................6-24
6.26.4 How to display target data............................................................................6-25
6.26.5 How to stop tracking targets.........................................................................6-25
6.26.6 How to clear a lost target..............................................................................6-25
6.26.7 CPA/TCPA alarm .........................................................................................6-26
7. FISH FINDER.........................................................................................................7-1
7.1 How the Fish Finder Operates....................................................................................7-1
7.2 How to Select a Display..............................................................................................7-1
7.2.1 Single frequency display ................................................................................7-2
7.2.2 Dual frequency display ...................................................................................7-3
7.2.3 Zoom displays ................................................................................................7-3
7.2.4 A-scope display (display only)........................................................................7-5
7.2.5 Bottom discrimination display.........................................................................7-6
7.3 Automatic Fish Finder Operation................................................................................7-6
7.3.1 How the automatic fish finder operates ..........................................................7-6
7.3.2 How to select an automatic fish finder mode..................................................7-7
7.4 Manual Fish Finder Operation....................................................................................7-7
7.4.1 How to select the manual mode .....................................................................7-7
7.4.2 How to select the display range .....................................................................7-7
7.4.3 How to Shift the Range ..................................................................................7-8
7.4.4 How to adjust the gain....................................................................................7-8
