Epson PS-500 User Manual page 22

If the heart rate can't be detected
The following vibration (if enabled) and messages are shown when your heart rate can't be detected.
Message
Note:
Try these tips to facilitate heart rate detection:
- Try to keep your body and arms still.
- Position the arm below your heart. Do not cross your arms.
2
Once detection is complete, your heart rate is displayed on the screen as shown below.
Description
The device is not being worn
correctly.
The device is not being worn
correctly or your skin
temperature is too low.
Solution
Wear the product snugly around
your wrist. Tighten the wrist band
if your pulse is not measured
correctly.
Wear the product closely around
your wrist. Tighten the wrist band
if your pulse is not measured
correctly and warm your wrist and
fingertips if they seem cold.
• 22