Garmin 010-01769-10 Troubleshooting Manual - Page 4
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WEARING THE WATCH PROPERLY
FALSE HEART RATE DETECTION
ACCURACY OF WRIST HEART RATE WHEN SWIMMING
SKIN TONE CAN AFFECT ACCURACY
TATTOOS AND ACCURACY
Certain Types of Activities Can Affect Heart Rate Performance
Activities that cause flexing of the wrist (ex. rowing, weight lifting, or gripping a tennis racket)
may create an effect similar to wearing the watch too tightly and restrict blood flow. When this
occurs the watch may have a difficult time detecting an accurate heart rate.
Additionally, HR is calculated differently for each activity. Use the activity app that matches the
activity being done. For example, using the Elliptical app while running outdoors could result in
incorrect HR being recorded.
Cleaning the Optical Heart Rate Sensor
Optical Heart Rate monitors are susceptible to any debris or build up blocking or impeding the
lights of the sensor. While it is recommended to rinse your device off after every workout, it may
be necessary to clean the watch more thoroughly, especially if you use sunscreen, lotions, or
insect repellents. To clean, use lukewarm water and a mild detergent and a soft cloth to wipe the
Optical Heart Rate Monitor on the back of the device down. Be sure to rinse the device after
cleaning to remove any soap residue, then dry the watch before putting it back on.
For more information on keeping your watch clean, see our
Wearing the Watch Properly
For the best heart rate performance from your watch, ensure the following.
The optical heart rate sensor must remain in contact with your skin at all times
The watch must also be worn snug, but not too tight
o
If worn too loose the watch can slide around, creating a gap between the optical heart
rate sensor and your skin.
o
If the watch is worn too tight it can actually restrict blood flow.
Wear and Care
Tips.