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GPSMAP 188/188C Sounder Owner’s Manual 1
BASIC OPERATION > INITIALIZING THE RECEIVER
BASIC OPERATION
Initializing the Receiver
The first time you turn on the GPSMAP 188/188C Sounder, the
receiver must be given an opportunity to collect satellite data
and establish its present location. To ensure proper initialization,
the GPSMAP 188/188C Sounder is shipped from the factory in
AutoLocate Mode.
Before you initialize, make sure the GPSMAP 188/188C Sounder
unit and antenna are correctly installed on your vessel according to
the instructions in the Appendix. Install the antenna in a location
with a clear and unobstructed view of the sky.
A full-screen GPS Information Page appears after you press
ENTER to acknowledge the Warning Page. The page goes away
after the unit gets a position fix or you press either ENTER or
QUIT. The page can be disabled and enabled on the
Main Menu—Pages tab (see page 63).
To turn on the GPSMAP 188/188C Sounder:
1. Press and hold the POWER key until the power tone
sounds, and then release the POWER key. The Warning
Page appears while the unit conducts a self-test.
2. When the self-test is complete, press ENTER to agree and
acknowledge the warning.
The GPS Information Page appears as the receiver begins acquiring
satellites.
To turn off the GPSMAP 188/188C Sounder:
1. Press and hold the POWER key for approximately
2 seconds, until the screen is blank.
2. When the screen is blank, release the POWER key.