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 left to right 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 100 for more information.
Press
MENU
twice 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 temperature 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
.
78
276C Plus Owner’s Manual
A
DDITIONAL
F
EATURES
>
V
IEWING
THE
T
EMPERATURE
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