Eagle Electronics intellimap 480 ユーザーズマニュアル

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The height scale on the top right side of the graph changes, based upon
the maximum range of the tide for that day. The MLLW line also ad-
justs its position as the height scale changes.
You can look up tidal data for other dates by changing the month, day
and year selection boxes. To select another date:
1. Use 
→ and ← to highlight month, day or year, then press 
ENT
.
2. Use 
↑ and ↓ to select the desired month, day or year, then press 
ENT
.
To clear the information screen, press 
EXIT
.
Pop-up Help
Help is available for virtually all of the menu labels on this unit. By
highlighting a menu item and leaving it highlighted for a few seconds, a
"pop-up" message appears that describes the function of the menu item.
This feature is on by default.
To set up Popup Help: Press 
MENU
|
MENU
|
↓ to 
S
YSTEM 
S
ETUP
|
ENT
|
to 
P
OPUP 
H
ELP
. With the option highlighted, press 
ENT
 to check it (turn
on) and uncheck it (turn off.) After the option is set, press 
EXIT
|
EXIT
 to
return to the page display.
   
System Setup menu, left, with Pop-up Help command highlighted. At
right, this example shows the Pop-up Help message for the Go To Cur-
sor command, located on the Map Menu.
Position Pinning
When you are standing still or moving at extremely slow speed, a GPS
receiver can have trouble determining the direction you are traveling.
In the past, this resulted in a "wandering" plot trail that moved around
the map, even if you were standing still.