Lowrance electronic LCX-111C - Manual (Page 49)

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Connections for optional external speaker.
The speaker should have either two terminals or two exposed wires: a
positive (+) and a negative (–) ground. Your unit's external audio
output is the white wire in the unit power supply cable. Connect this
wire to the speaker's positive (+) wire or terminal with white 18 gauge
wire. Connect the speaker's negative (–) ground wire or terminal to the
negative (–) terminal on your battery or fuse box with black 18 gauge
wire. The unit should automatically begin to play any active sounds
through the attached speaker.
Face Cover
Your unit comes with a white protective cover that snaps on and off the
front of the unit. This cover is intended for use when your unit and the
vehicle it's mounted in are idle.
WARNING:
When the unit is mounted in an unprotected area, such
as an open boat cockpit, the protective face cover must
be removed when the vehicle is moving at high speed.
This includes towing a boat on a trailer at highway
speeds. Otherwise, wind blast can pop off the cover.
Now that you have your unit installed, move on to Sec. 3, Basic Sonar
Operations. In Sec. 3 we'll present a series of step-by-step tutorials to
teach you the basics of your sonar operation.
NOTE:
When you first turn the unit on, the Map Page appears. If you'd
rather start learning about GPS operation first, turn to Sec. 6,
Basic GPS Operations. (Remember, you don't need to read this
manual from cover-to-cover to get going. We designed it so you can
skip around to the section you want to read.)
Unit power
supply cable
NMEA 0183
Data cable
(four wires)
NMEA 2000
Power cable
Black wire
Red wire with
3 amp fuse
Speaker
Optional power off
switch for salt-
water installations
Black speaker wire
12 volt
battery
White speaker wire
To unit