Lowrance lcx-112c 操作指南

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页码 232
 
172
 
 
 
My Trails command (left); Trails Menu (left); 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.
 
Update Trail Option 
This menu lets you change the way the trail updates occur. 
WARNING: 
If you uncheck the Update Trail option, automatic trail 
creation and recording will be turned off. You must turn 
it back on to record trails. The default setting is on. 
From the Trails Menu, press 
→ to 
O
PTIONS
|
ENT
. With 
U
PDATE 
A
CTIVE 
T
RAIL
 
highlighted, press 
ENT 
to check it (turn on) or uncheck it (turn off). 
Update Trail Criteria (Auto, Time, Distance) 
The options are automatic, time or distance. When it's in the default 
automatic mode, the unit doesn't update the plot trail while you're 
traveling in a straight line. Once you deviate from a straight line, the unit 
"drops" a plot point (trail waypoint) onto the trail. This conserves plot trail 
points. If a plot trail uses all of the available points allotted to it, the 
beginning points are taken away and placed at the end of the trail. 
From the Trails Menu, press 
→ to 
T
RAIL 
O
PTIONS
|
ENT
|
 to 
U
PDATE 
C
RITERIA
. Press 
 or 
 to select criteria type|
ENT
. If you selected Time, 
the Update
 
Rate data entry box appears on the menu. If you selected 
Distance, the Update Distance data entry box appears on the menu. 
Trail Update Rate (Time, Distance) 
You can update a trail by time, with a range from 1 second to 9999 
seconds; the default is 3 seconds. You can update by distance, with a range 
from 0.01 mile/nm/km to 9.99 mile/nm/km; the default is 0.10 miles. 
With one of the Update Criteria selected, use the cursor arrows to 
highlight either the 
U
PDATE 
R
ATE 
(T
IME
)
 or 
U
PDATE 
D
ISTANCE
 data entry 
boxes and press 
ENT
. Press 
 or 
 to change the first character, then 
press 
 to the next character and repeat until the entry is correct. 
Press 
EXIT
 to return to the Trail Options Menu.