After Service❏ For repair and maintenance of this product, contact your local dealer or our repair center.❏ If the battery does not retain its charge for as long as it used to due to prolonged use, the battery may be runningout. In this situation, contact your local dealer or our repair center to replace the battery for a fee.❏ The strap for the device, the battery for the HR monitor, the HR belt, and the USB cable are not covered by theguarantee. If you need to purchase any of these items, contact your local dealer or our information center.❏ Spare parts for repairing this product will be available for six years after the device has stopped beingmanufactured.❏ In the event of product failure, we do not guarantee that data recorded on the device can be recovered.❏ A sticker displaying the serial number for this product is attached to the guarantee. If there is no sticker, theguarantee is void.SF-710/510/310 User's GuideTroubleshooting120