Lowrance electronic IFINDER PRO - Manual (Page 82)

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display latitude and longitude grid lines or range rings on the map.
This menu lets you select Navionics Maps; for instructions, see the
Navionics Charts entry in this section.
To get to Map Data:
1. From the Map Page, press
MENU |
↓ to
M
AP
D
ATA
| ENT .
Map Menu, left, Map Data Menu, right.
Show Map Data
Press
MENU |
↓ to
M AP D ATA
| ENT . Press ENT to enter the E ARTH M AP D ETAIL
selection list, and choose how much detail you want, from Off (so the
unit operates like a GPS plotter) to High. After the option is set, press
EXIT to return to the page display.
Popup Map Information
Press
MENU |
↓ to
M AP D ATA
| ENT . Press
↓ to
P OPUP I NFORMATION
. With the
option highlighted, press ENT to check it (turn on) and uncheck it (turn
off.) After the option is set, press EXIT to return to the page display.
Draw Boundaries
Press
MENU |
↓ to
M AP D ATA
| ENT . Press
↓ to
D RAW B OUNDARIES
. With the
option highlighted, press ENT to check it (turn on) and uncheck it (turn
off.) After the option is set, press EXIT to return to the page display.
Fill Land With Gray
Press
MENU |
↓ to
M
AP
D
ATA
| ENT . Press
↓ to
F
ILL
L
AND
W
ITH
G
RAY
. With the
option highlighted, press ENT to check it (turn on) and uncheck it (turn
off.) After the option is set, press EXIT to return to the page display.
Map Overlays (Range Rings; Lat/Long Grid)
The map screen can be customized with four range rings and/or grids
that divide the plotter into equal segments of latitude and longitude.
Range rings are handy for visually estimating distances on the map.
The ring diameters are based on the current zoom range. For example:
at the 100 mile zoom, the screen will show two rings with your current