OVERVIEW
HOW TO INSERT THE BATTERIES
This user guide helps you get started using the Handeful Hand
Dynamometer easily and correctly. We recommend you
check out the link or scan the QR code below for helpful
videos and FAQs.
Scan the QR code or visit the link below for
helpful videos and FAQs
https://handeful.com/pages/faqs
1.Turn the device over and slide the battery cover up to
remove the cover.
2.Insert two AAA batteries according to the polarity marks.
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