21
3
BASIC OPERATION
■ Trail function
The trail function memorizes echoes continuously or
at constant intervals. This is useful for watching other
vessels’ tracks, approximate relative speed, and so on.
D Using the Trail function
q Simultaneously push [ENTER]/[ ] and [CLEAR]/
[ ] to turn ON the Trail function.
• The trail icon and trail interval are displayed in the upper
left of the screen.
• Trail interval counter starts to count up to the trail time.
w All echoes higher than the specified level at the plot-
ted time are memorized and displayed with a gradu-
ated intensity together with the current echoes.
• Echoes are displayed with minimum intensity when “∞”
is selected.
• Hold down [ENTER]/[
] and [CLEAR]/[ ] for 1
second to erase the plotted echoes.
e Simultaneously push [ENTER]/[ ] and [CLEAR]/
[ ] to cancel the Trail function and erase the plot-
ted echoes.
• The trail icon and trail interval disappear.
Trail indicator
Trail interval counter
D Customizing the trail settings
You can customize the trail settings in the Trail menu in
the Menu screen.
q Push [MENU]/[ ] to enter the Menu screen.
w Push [t] or [u] to select the Trail menu.
e Push [p] or [q] to select the item.
r Push [ENTER]/[ ] to enter the option selection
mode.
t Push [p] or [q] to select the option.
y Push [ENTER]/[ ] to save the setting.
u Push [MENU]/[ ] to exit the Menu screen.
(MENU > Trail > )
The selectable trail settings are as follows:
Refer to the “Menu screen” section for details on each
item or option. (p. 6)
Reference:
Selects the reference of trails, True for real movement
over ground, and Relative for relative movement to
your vessel.
Time:
Selects the trail time from 30 seconds, 1 minute, 3 min-
utes, 6 minutes, 15 minutes, 30 minutes, or
∞.
Level:
Selects the level of trail from Low, Middle, or High.
Fine Trail:
The Fine trail function makes the trail thin. Selects the
thinness of trails from OFF (normal), 1 (Fine), or 2 (Ex-
tra fine).
Color:
Sets the trail color to Blue, Yellow, Green, Red, Or-
ange, or White.
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