Lowrance electronic LMS-520C - Manual (Page 57)

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Section 3: Basic Sonar Operation
This section addresses the unit's most basic sonar operations. Before
you turn on the sonar unit, it's a good idea to learn about the different
keys, the Main Menu, the four Page screens and how they all work to-
gether. BUT, if you just can't wait to get on the water, turn to the one-
page Quick Reference on page 55.
Keyboard
LMS-525cDF sonar/GPS unit, front view, showing map with sonar split
screen, keyboard and access door for the MMC slot.
1. PWR/LIGHT (Power & Light) – The PWR key turns the unit on and
off and activates the backlight.
2. PAGES – Pressing this and the
← → arrow keys switches the unit
between the four different page screens. (Satellite Status Page, Naviga-
tion Page, Map Page and Sonar Page.) Each page represents one of the
unit's major operation modes.
5
4
2
8
7
9
6 3
1
MMC slot access door