Garmin D2 Pilot Owner's Manual - Page 22
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Zone % of
Perceived Exertion
Maximum
Heart Rate
4
80–90%
Fast pace and a bit
uncomfortable,
breathing forceful
Altimeter and Barometric Readings
The altimeter and barometer function differently depending on the fixed or variable settings. For information about calibrating the
barometric altimeter, see
Calibrating the Barometric
Weather Changes
Overnight.
You can adjust the altimeter and barometric settings by selecting Setup > Sensors > Altimeter > Baro. Plot.
Sensor
Altimeter with GPS On
Barometer with GPS On
Altimeter with GPS Off
Barometer with GPS Off
18
Benefits
Improved anaerobic
capacity and
threshold, improved
speed
Altimeter. For information about tracking weather changes, see
Fixed
Elevation is equal to GPS elevation.
Barometric pressure reading reflects changes in
ambient pressure and changes in GPS position. Using
the barometer at a constant altitude results in
accurate readings.
Elevation remains constant.
Barometric pressure reading reflects changes in
ambient pressure. Using the barometer at a constant
altitude results in accurate readings.
Zone % of
Perceived Exertion
Maximum
Heart Rate
5
90–100%
Sprinting pace,
unsustainable for long
period of time, labored
breathing
Variable
Elevation reflects changes in ambient pressure
and GPS position.
Barometric pressure reading reflects changes in
ambient pressure and changes in GPS position.
Elevation reflects changes in ambient pressure.
Barometric pressure reading is based on the
calibrated altitude and changes in ambient
pressure.
Benefits
Anaerobic and
muscular endurance,
increased power
Tracking
Appendix