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Turning On the GPSMAP 276C
The first time you turn on your new GPSMAP 276C, the receiver
must collect satellite data and establish its present position. To
ensure proper initialization, the GPSMAP 276C is shipped from
the factory in AutoLocate mode, which allows the receiver to “find
itself” anywhere in the world. Before you turn on the unit to start
initialization, be sure that the antenna is rotated up as shown on
page 1, and it has a clear and unobstructed view of the sky to receive
satellite signals.
To turn on and off the GPSMAP 276C:
1. Press and hold the red POWER key. When the unit powers
on, a tone sounds and the Warning page displays.
Warning Page
2. Read and be sure you understand the warning. If you have
external devices connected, they are listed here. Press
ENTER to continue.
3. To turn off the GPSMAP 276C, press and hold the red
POWER key again.
Adjusting the Backlight and Volume
You may want to adjust the backlight to see the display better. If
you are using the optional External Speaker with 12/24-Volt Adapter
Cable with the GPSMAP 276C, you may want to adjust the volume
level of the speaker.
To adjust the backlight level or volume:
1. Press and quickly release the POWER key.
2. Press the Rocker key Up to increase the brightness or Down
to decrease. Press Right to raise the volume or left to lower.
3. Press ENTER or QUIT to close the Backlight/Volume
adjustment window. Press MENU to view the options menu.
Backlight
Adjustment Slider
Volume
Adjustment Slider
Battery Time Remaining and Power Source Indicator
GPSMAP 276C Owner’s Manual 3
GETTING STARTED > TURNING ON THE GPSMAP 276C