Garmin GPSMAP 238 Sounder User Manual download pdf (Page 12)

Initializing the Receiver/

Power On

Getting Started

The GPSMAP 188/188C/238 Sounder’s advanced keypad system is designed to allow for fast, con-

venient selection of navigation options and data entry. The Getting Started Tour will introduce you to

the keypad and provide a ‘hands-on’ lesson in using the GPSMAP 188/188C/238 Sounder. We strongly

encourage you to follow the Getting Started tour before using your unit for actual navigation.

The GPSMAP 188/188C/238 Sounder Quick Reference Guide contains helpful tips on using the

unit and performing various navigation tasks. It’s a good idea to keep the Quick Reference Guide

nearby whenever you’re operating your GPSMAP 188/188C/238 Sounder.

Initializing the Receiver

The ﬁ rst time you power up your GPSMAP 188/188C/238 Sounder, the receiver must be given an

opportunity to collect satellite data and establish its present position. To ensure proper initialization,

the GPSMAP 188/188C/238 Sounder is shipped from the factory in AutoLocate mode, which allows

the receiver to “ﬁ nd itself” anywhere in the world. To speed up the initialization process, we recom-

mend using the graphic initialization process described on the next page, which usually provides a

position ﬁ x within a few minutes.

Before you initialize, make sure the GPSMAP 188/188C/238 Sounder unit and antenna have been

correctly installed on your vessel according to the instructions in Appendix A. The antenna needs to be

in a location with a clear and unobstructed view of the sky to receive satellite signals.

To turn on the GPSMAP 188/188C/238 Sounder:

1. Press and hold the POWER key until the power tone sounds and the display comes on, then release

the POWER key. A warning page appears, asking you to read and acknowledge important informa-

tion regarding the use of the unit.

2. After reading the warning, press ENTER to agree and move to the next display.

GPSMAP 188/188C/238 Sounder Warning Screen

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Garmin GPSMAP 238 Sounder User Manual Page 12