Garmin GPSMAP 172 Owner's Manual

Also see for GPSMAP 172: Installation instructions Specifications Quick reference

Contents

GPSMAP 172/172C Getting Started TourThe Garmin GPSMAP 172/172C is a powerful electronic navigation system that provides detailedmap coverage and convenient control of many advanced features right from the screen display. Thistour is designed to take you through the basic pages and functions of the system using the simulatormode. Once you’re familiar with the main pages and functions of the unit, refer to the reference sectionfor instructions on performing specific tasks and functions. For GSD 20 sonar related operations, referto “GSD 20 Sounder Module with Garmin Chartplotters” (190-00241-03).The Getting Started Tour assumes that the receiver has been properly installed and initialized, andyou have not changed any of the default unit settings. If you have changed any settings (position for-mats, units of measure, etc.), the descriptions and pictures in the tour may not match your configura-tion.To turn the GPSMAP 172/172C on:1. Press and hold the POWER key until the power tone sounds, then release the POWER key. TheWarning Page appears while the unit conducts a self-test.2. Once the self-test is complete, press the ENTER/MARK key, if you agree, to acknowledge thewarning.The GPS Information Page appears as the receiver begins acquiring satellites. From this or anyother page, you may also adjust the screen backlighting.The GPSMAP 172/172C’s adjustable screen backlighting is controlled with the POWER key. Thebacklight can cycle through minimum, user-defined, and maximum backlight levels by repeatedlypressing the POWER key.To adjust the backlighting and contrast:1. Press POWER and the Light/Contrast window appears.2. Press POWER again and the user-defined level of backlighting activates. You may adjust this levelby pressing UP or DOWN on the ARROW KEYPAD. If you press POWER one more time, the back-lighting is at the minimum setting. Press LEFT (brighter) or RIGHT (darker) to adjust the contrast.3. Press ENTER or QUIT when done.A full-screen GPS Information pop-up page is displayedafter you press the ENTER key to acknowledge theWarning Page. The pop-up page goes away after the unitgets a position fix or you press either ENTER or QUIT.Use the ARROW KEYPAD to move the backlighting sliderUP for brighter or DOWN for dimmer backlighting. PressLEF or RIGHT to adjust the display contrast.Getting StartedPower On/Screen Backlighting