Tip for people having problem with optical heart rate monitor - Forerunner 230/235 - Sports & Fitness Archive - Garmin Forums
![Garmin Forerunner 235 GPS Sport Watch with Wrist-Based Heart Rate Monitor - Frost Blue (010-03717-48) with 7-Piece Fitness Kit - Walmart.com Garmin Forerunner 235 GPS Sport Watch with Wrist-Based Heart Rate Monitor - Frost Blue (010-03717-48) with 7-Piece Fitness Kit - Walmart.com](https://i5.walmartimages.com/seo/Garmin-Forerunner-235-GPS-Sport-Watch-with-Wrist-Based-Heart-Rate-Monitor-Frost-Blue-010-03717-48-with-7-Piece-Fitness-Kit_46d40630-2f6e-4795-be9f-9bb4a5fbf74e.709cb5547130ba045c90b4f06d23c80e.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Garmin Forerunner 235 GPS Sport Watch with Wrist-Based Heart Rate Monitor - Frost Blue (010-03717-48) with 7-Piece Fitness Kit - Walmart.com
![Heart rate monitoring on my Forerunner 235 doesn't work on runs - Forerunner 230/235 - Sports & Fitness Archive - Garmin Forums Heart rate monitoring on my Forerunner 235 doesn't work on runs - Forerunner 230/235 - Sports & Fitness Archive - Garmin Forums](https://forums.garmin.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/125/IMG_5F00_2682.jpg)
Heart rate monitoring on my Forerunner 235 doesn't work on runs - Forerunner 230/235 - Sports & Fitness Archive - Garmin Forums
![Garmin Forerunner 235, GPS Running Watch, Black/Gray Bundle with Garmin HRM-Dual Heart Rate Monitor | Gps running watch, Running watch, Workout accessories Garmin Forerunner 235, GPS Running Watch, Black/Gray Bundle with Garmin HRM-Dual Heart Rate Monitor | Gps running watch, Running watch, Workout accessories](https://i.pinimg.com/736x/eb/17/58/eb17580b1c0566d4d8a19b6f55caf574.jpg)