Lowrance electronic 4000M - Manual (Page 96)

90
Track Smoothing option, turned on.
Trail Options
There are several options you can use with trails. Some affect all trails,
other options can be applied to a particular trail. You can change the
way trails are updated, you can display or hide trails, make them flash
on the screen or not flash, create a new trail, delete a trail, etc.
General Trail Options
To access the Trails Menu:
Press MENU | MENU |
↓ to
M
Y
T
RAILS
| ENT .
Main Menu, left, Trails Menu, center, Trail Options, right.
Delete All Trails
To remove all of the trails from memory: from the Trails Menu, press
→
to D ELETE A LL
| ENT |
← to
Y ES
| ENT .
Flash Trails on Screen Option
From the Trails Menu, press
→ to
O
PTIONS
| ENT |
↓ to
F
LASH
T
RAILS
. With
the option highlighted, press ENT to check it (turn on) and uncheck it
(turn off).
Update Trail Option
This menu lets you change the way the trail updates occur.