88
Sonar Features menu with Surface Clarity selected (at left, dual-
frequency menu; at right, single-frequency menu).
2. Press
↓
to select
Surface Clarity
|
ENT
.
In the illustration at left, Surface Clarity is turned off.
The right view shows Surface Clarity set at High.
Transparency
Use the transparency menu to adjust the transparency of menu win-
dows. A high transparency allows you to continue monitoring the sonar
chart while adjusting feature settings, though the text of the menus
may fade until it is unreadable. A low transparency will usually make
menu text easier to read, at the cost of watching your sonar returns.
Surface clutter
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 ...