Garmin gpsmap-188 User Manual

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GPSMAP 188/188C Sounder Owner’s Manual 
 
5
B
ASIC
 O
PERATION
 > 
I
NTERFACE
 K
EYS
Interface Keys
NAV Key
•  Press and release at any time to view the 
Navigation menu. 
QUIT Key
•  Press and release to cancel data entry or  
exit a page.
ROCKER Key
•  Press up/down or right/left to move through 
lists, highlight fields, on-screen buttons and 
icons, enter data, or move the map pointer.
FIND Key
•  Press to search for points such as user 
waypoints, cities, and services.
POWER Key
•  Press and hold to turn unit on or off.
•  Press and release to adjust backlighting.
IN/OUT Zoom Keys
•  From the Map Page, press to zoom in or out.
•  From any other page, press to scroll up or 
down a list.
PAGE Key
•  Press to cycle through the Main pages.
•  Press to end an operation in progress and 
return to the main page.
MENU Key
•  Press and release to view options for a page.
•  Press twice to view the Main Menu.
ENTER/MARK Key
•  Press and release to enter highlighted options 
and data or confirm on-screen messages.
•  Press and hold at any time to mark your 
current location as a waypoint.
MOB Key
•  Press and hold for MOB (Man OverBoard).