Lowrance electronic GlobalMap 4800M - Manual (Page 41)

35
Basic GPS Quick Reference
Start outdoors, with a clear view of the open sky. As you practice, try
navigating to a location at least a few blocks away. While you're learning,
navigation in too small an area will constantly trigger arrival alarms.
1. Connect the unit to electric power and the antenna module. Make sure
the MMC is in. (See complete installation details beginning on page 11.)
2. To turn on the unit, press and release PWR key.
3. Opening screen displays map of North America at the 4,000 mile
zoom range. Rotate through the three main Page screens (Map Page,
Satellite Status Page and Navigation Page) by pressing
PAGES |
← or →
to select Page Name| EXIT . Switch Pages to display Satellite Status
Page.
4. Wait while unit locates satellites and calculates current position. Process
is visible on Satellite Page. This takes an average of 1 minute or less under
clear sky conditions (unobstructed by terrain or structures.) When the unit
acquires position, a tone sounds and a position acquired message appears.
5. With position acquired, press PAGES key to display Map Page, which
shows a bird's eye view of the earth. You can move around the map by:
Zoom in closer to see greater detail: press ZIN (zoom in key.)
Zoom out to see more area, less detail: press ZOUT (zoom out key.)
Scroll map north, south, east or west using arrow keys
↑ ↓ → ← .
To stop scrolling and return to current position on map, press EXIT key.
6. Set a waypoint (Wpt 001) at your current position so you can navigate
back here: press
WPT | WPT . Waypoint symbol and "001" appears.
7. Zoom/scroll map to find a nearby object or location to go to. Use ar-
row keys to center cursor cross-hair over the map object or location.
8. Navigate to the selected destination: press MENU | ENT | EXIT . Follow dot-
ted course line on Map Page or compass bearing arrow on Navigation Page.
9. At destination, Arrival Alarm goes off; to clear it, press EXIT . Cancel
navigation: press MENU | MENU |
↓ to
C
ANCEL
N
AVIGATION
| ENT | ← to Y
ES
| ENT .
10. Return to Wpt 1 by Navigate To Waypoint or Backtrack Trail. To
Waypoint: press
WPT |
→ to
S AVED
| ENT | ENT | ENT . Use
↑ or ↓ to select
Wpt 001, press ENT | ENT ; follow navigation displays. Trail: press
MENU | MENU |
↓ to
M
Y
T
RAILS
| ENT . Press
↓ to Trail 1|
ENT |
→|↓ to
N AVIGATE
| ENT |
↓ to
N AVIGATE
| ENT |
→ to
R EVERSE
| ENT |
← to
N AVIGATE
| ENT .
(If arrival alarm sounds, press EXIT .) Follow navigation displays.
11. Back home, Arrival Alarm goes off; press EXIT . Cancel navigation:
press MENU | MENU |
↓ to
C
ANCEL
N
AVIGATION
| ENT | ← to Y
ES
| ENT .
12. To turn off the unit, press and hold PWR key for three seconds.