Garmin GPSMAP 76CSx Owner's Manual page 41

Plot Over Time (Distance)
These two measurement options (changes over a set
period of time or changes over a set distance) apply
only to the View Elevation Plot option. The View
Pressure Plot option is measured by time.
Elevation over
Distance plot
View Pressure/Elevation Plots
Select the View Elevation Plot to plot elevation
changes. Select View Pressure Plot to plot changes in
barometric pressure.
GPSMAP 76CSx Owner's Manual
Pressure over
Time plot
To view elevation or pressure plots:
1. Select the option you want from the Altimeter
options menu to show the plot.
2. Adjust time and distance measurement using
the Elevation Plot Zoom Ranges.
3. To clear the plot, clear the Track Log.
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