Tour/Backlighting - Garmin GPSMAP 178C Owner's Manual

Getting Started
Tour/ Backlighting
A full-screen GPS Information pop-up page is displayed
after you press the ENTER key to acknowledge the
Warning Page. The pop-up page goes away after the unit
gets a position fi x or you press either ENTER or QUIT.
Use the ARROW KEYPAD to move the backlighting slider
UP for brighter or DOWN for dimmer backlighting. Press
LEF or RIGHT to adjust the display contrast.
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GPSMAP 178C Sounder Getting Started Tour
The Garmin GPSMAP 178C Sounder is a powerful electronic navigation system that provides
detailed map coverage and convenient control of many advanced features right from the screen display.
This tour is designed to take you through the basic pages and functions of the system using the simula-
tor mode. Once you're familiar with the main pages and functions of the unit, refer to the reference
section for instructions on performing specifi c tasks and functions.
The Getting Started Tour assumes that the receiver has been properly installed and initialized, and
you have not changed any of the default unit settings. If you have changed any settings (position
formats, units of measure, etc.), the descriptions and pictures in the tour may not match your
confi guration.
To turn the GPSMAP 178C on:
1. Press and hold the POWER key until the power tone sounds, then release the POWER key. The
Warning 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 the
warning.
The GPS Information Page appears as the receiver begins acquiring satellites. From this or any
other page, you may also adjust the screen backlighting.
The GPSMAP 178C' s adjustable screen backlighting is controlled with the POWER key. The back-
light can cycle through minimum, user-defi ned, and maximum backlight levels by repeatedly pressing
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-defi ned level of backlighting activates. You may adjust this level
by 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.