Garmin 188c User Manual

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DSC T

AB

You can use the Review On Map option to display a saved track on 

a Track Map page.

1.   Using the 

ROCKER, highlight a track, and press NAV. The 

Follow <track name> automatically appears highlighted. 

2.   Press 

ENTER.

3.   Choose either 

Original, which navigates you from the end 

to the start of your trip, or 

Reverse, which navigates you 

from the start to the end of your trip, and press 

ENTER.

The track name 

automatically 

appears when 

highlighted on the 

Saved list and 

NAV is pressed.

Digital Selective Calling (DSC) uses marine VHF radio and Global 

Positioning System (GPS) technologies to transmit and receive 

location information. DSC is used by mariners to assist them in two 

major areas: Distress Calls and Position Reporting. See 

page 22

and the “Appendix” for more information on DSC and using it with 

your GPSMAP 188/188C Sounder.