Altimeter Settings

NOTE: The altimeter is available only with GPSMAP® 64s/sc/st/sx/csx devices.

Select Setup > Altimeter.

Auto Calibration

Automatically calibrates the altimeter each time the device is turned on.

Barometer Mode

Variable Elevation allows the barometer to measure changes in elevation while you are moving. Fixed Elevation assumes the device is stationary at a fixed elevation, so the barometric pressure should only change due to weather.

Pressure Trending

Sets how the device records pressure data. Save Always records all pressure data, which can be helpful when you are watching for pressure fronts.

Plot Type

Records elevation changes over a period of time or distance, records barometric pressure over a period of time, or records ambient pressure changes over a period of time.

Calibrate Altimeter

Calibrates the altimeter.

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