41
Pages Menu showing Sonar display options.
All of the display options show the sonar chart in some format. This is a
"cross-section" view of the water column beneath the boat. The chart
moves across the screen, displaying sonar signal echoes that represent
fish, structure and the bottom.
The Pages Menu allows you to switch between three chart display op-
tions: Full Sonar Chart, Split Zoom Sonar Chart and Digital Data. To
choose between the three chart display options use
↑
or
↓
to highlight
the desired option then press
EXIT
.
Summary of Contents for FISHMARK 640C
Page 6: ...iv Notes ...
Page 42: ...36 Notes ...
Page 48: ...42 Sonar page in Split Zoom Sonar Chart display mode Sonar page in Digital Data display mode ...
Page 58: ...52 Notes ...
Page 98: ...92 Notes ...
Page 104: ...98 Notes ...