The HV-F127 is a low‑frequency laser therapy device that delivers 1200 Hz electrical stimulation to relieve muscle and nerve discomfort. It offers up to nine automatic treatment modes and four limited modes, with intensity adjustable from 1 to 10.
The manual covers preparation before use, safety precautions, detailed operation steps, treatment method selection, maintenance and storage of the massage pads, battery handling, and troubleshooting of abnormal conditions. It also includes warranty information and a quick reference guide. This manual is written in Chinese.