Lowrance electronic Lowrance Fish-finding Sonar & Mapping GPS LMS-520C - Manual (Page 65)

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Basic Sonar Quick Reference
1. Depress the
PWR
key to turn on the unit.
2. Opening screen displays Map Page. Rotate through the four main
Page screens (Map Page, Satellite Status Page, Navigation Page, Sonar
Page) by pressing
PAGES
| ← or → to select Page Name|
EXIT
. Switch
Pages to display Sonar Page.
3. If GPS data is desired, wait while unit locates satellites and calculates
current position. When the unit acquires position, a tone sounds and a posi-
tion acquired message appears.
4. With position acquired (if desired), head for your fishing grounds.
Your unit will automatically display digital depth and surface water
temperature in the top left corner of the screen.
The auto settings will track the bottom, displaying it in the lower por-
tion of the screen. The full sonar chart will scroll from right to left,
showing you what's under the boat as you cruise across the water. You
can change the display by:
Zoom in to enlarge the chart for more detail: press
ZIN
.
Zoom out to return to full chart mode: press
ZOUT
.
5. Watch the display for the appearance of fish symbols (or arches, if
Fish I.D.
™ is turned off). When you see fish symbols or arches, you've
found fish! Stop the boat and get your lure or bait into the water at the
depth indicated on the sonar chart.
6. Gauge the fish depth by visually comparing the fish symbols or
arches with the depth scale on the right side of the screen.
7. If you are drifting at a very low speed or anchored, you are not mov-
ing fast enough for a fish to return the tell-tale fish arch signal. As you
drift over a fish, or as a fish swims through the transducer's signal
cone, the fish echo will appear as a straight line suspended between the
surface and the bottom when Fish I.D. is turned off.
8. To turn off the unit, press and hold
PWR
key for three seconds.
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