Viewing the Temperature
NOTE: You must be receiving proper sonar data from another
device, such as a Garmin GSD 20 Sounder Module, to view
temperature information.
The Temperature tab provides a visual graph of water temperature
changes over a period of time. The graph reads from right to left so
that the most recent temperature measured is displayed on the far
right side of the graph. The dotted lines within the graph indicate
intervals in the temperature scale and the duration of time.
NOTE: Select Temp for the Transducer type in the Sonar Setup.
See “Setting up the Sonar” on page 96 for more information.
Press MENU two times to open the Main Menu. Select Setup from
the vertical row of tabs on the left, then select Temperature from
the row of tabs along the top of the screen.
Temperature Tab
Changing the Temperature Display
The graph will adjust and display the temperatures changes
according to the Temperature Scale and Time Duration settings.
Temperature Scale
—select the desired degree span from the list.
Select Auto to have the unit automatically determine the best range,
or select a span of 2, 4, 6, 8 or 10 degrees.
Time Duration
—set how fast or slow the temperature log scrolls; a
shorter time duration means a faster temperature log scroll. Select a
duration from 1 minute to 2.5 hours.
Reset the Temperature Graph
To reset the scale range for the temperature graph, press MENU,
highlight Reset Auto Scale, and press ENTER. This is useful
when the scale spans a large range due to extreme temperature
changes. You can only reset the scale when you select Auto for the
Temperature Scale.
To restore the temperature graph to defaults, press
MENU, highlight
Restore Default, and press ENTER.
76 GPSMAP 276C Owner’s Manual
ADDITIONAL FEATURES > VIEWING THE TEMPERATURE
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General
Weight and Dimensions
