Lowrance m68c icemachine 操作指南

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页码 176
141
Trail Visible/Invisible and Other Trail Options
The name, maximum number of points in the trail, activity, and visi-
bility are all changed on the Edit Trail menu screen. The Active setting
determines whether or not the unit is recording new points for a par-
ticular trail.
On the Edit Trail menu, press 
↓ or ↑ to highlight the section you wish
to change, then press 
ENT
. Make your changes, then press 
EXIT
 to erase
this menu.
You can also change the trail line color and pattern. For instructions,
see the entries on Edit a Trail Color and Edit a Trail in Sec. 8, Ad-
vanced GPS Operations.
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.
Experiment with this feature until you find the right level of transpar-
ency for your eyes.
Main Menu with Transparency command selected.
To adjust Menu Transparency level:
Press 
MENU
|
MENU
|
↓ to 
T
RANSPARENCY
|
ENT
. The 
T
RANSPARENCY
 slider bar
appears. Press 
↑ or ↓ to move the bar. The lower end of the scale makes
the menus opaque; the upper end is maximum transparency.