Lowrance electronic Lowrance LMS-522c iGPS - Manual (Page 53)

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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 together. BUT, if you just can't wait to get on the water, turn to
the one-page Quick Reference on page 51.
Keyboard
LMS-527cDF 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