Garmin GPSMAP 276C User Manual

Setting up the Sonar Display
You can set up how the sonar information is displayed on the screen.
Press MENU two times to open the Main Menu. Select Setup from
the vertical row of tabs on the left, then select Sonar Display from
the row of tabs along the top of the screen.
Sonar Display Setup Tab
Scale—select how and where you want the depth scale to be
displayed.
Color Bar
—select On to show a gradient scale of the current Target
Level setting on the Sonar Setup tab.
Flasher—select On to display a graphic Flasher representation on
the far right side of the sonar display. This graphic Flasher displays
structure and bottom returns much the same as a true Flasher. You
may find this feature particularly useful when using Fish Symbols.
Temperature Graph
—select On to display a temperature graph
along the bottom of the Sonar page.
Background Color
—select the color for the Sonar page and the
sonar on the Map split.
Sonar Page with the Sonar Display settings changed
Color Bar
Graphic Flasher
Depth Scale
in corners
Temperature
Graph
White
Background
98 GPSMAP 276C Owner’s Manual
SETTING UP AND USING SONAR > SETTING UP THE SONAR

Garmin GPSMAP 276C Specifications

General

Sport (fitness, running)	No
Marine (chartplotters, sounders)	Yes
Routes quantity	50
Tracks quantity	20
Number of waypoints	3000
Form factor	Fixed
Product color	Gray
I/O ports	NMEA 0183
Antenna type	Detachable
Display resolution	480 x 320 pixels
Headphone outputs	1
Battery life (max)	15 h
Sustainability certificates	RoHS

Weight and Dimensions

Depth	48 mm
Width	145 mm
Height	81 mm
Weight	385 g