Helpful Hints In Measuring Heart Rate - Sportline SP4420/710 W Instruction Manual

HELPFUL HINTS IN MEASURING HEART RATE

If you are having difficulty measuring your heart rate, you may want to try the following
steps. Try each of these in succession until you are able to measure your heart rate:
1. Make sure the watch is snugly strapped to your wrist. A loose fit makes it more difficult
to properly measure your heart rate. Stop if OK or
2. When pressing on the two sensor keys (SC and HR), make sure you are using the soft, flat
pads of your fingers—not the tips of your fingers. Stop if OK or
3. Press gently with enough pressure to activate the heart rate measure function.
Muscle 'noise' from pressing too hard can make it difficult to measure your heart rate.
Stop if OK or
4. Make sure the metal back of the watch is laying flat on your skin. Stop if OK or
5. Make sure your wrist and fingers are clean and free from dirt, oils, or lotions. Stop if
OK or
6. Stay still and relax your arms on a stable surface while taking your heart rate. Stop if
OK or
7. Clean the two sensor keys and back metal plate with mild soap and water, or similar
cleaning solution. Stop if OK or
8. Moisten, with water, the pads of the fingers you are using to contact the two sensor keys.
Stop if OK or
9. Moisten, with water, the surface between the back metal plate of the watch and the skin
on your wrist.
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