Lowrance electronic GlobalMap 100 - Manual (Page 20)

14
EARTH MAP OPTIONS
The earth map consists of the built-in background map
of the world. To change the Earth map options, first
press the MENU key, then select the Earth Map label.
Press the right arrow key. The screen shown at right
appears.
Earth Map On/Off
The background map can be turned on or off using the
“Earth Map” menu. The earth map is the background
map that shows on the map screens. Simply highlight
the menu, then press the left arrow key to turn it off.
EARTH MAP ON EARTH MAP OFF
Range Rings/Grid Lines
The map screen can be customized with rings that are 1/4 of the range
and/or grids that divide the plotter into equal segments of latitude and
longitude. To do this, press the MENU key, select “Map 1 Setup”, then
“Map Options”. Highlight the desired option, then press the right arrow
key to turn it on. Press the EXIT key repeatedly to erase the menus. A
sample screen of each type shows below.
RANGE RINGS GRID BOTH RINGS & GRID