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User manuals, setup guides, troubleshooting help, and repair information for HEYUAN products.

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User Manuals, Instructions and Guides for HEYUAN products.

HEYUAN manuals

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Heyuan DY61 Sound Machine Wireless Speaker Night Light Alarm Clock Instruction Manual

September 16, 2025

Heyuan DY61 Sound Machine Wireless Speaker Night Light Alarm Clock OPERATION DIAGRAM Sound Machine Wireless Speaker Night Light Alarm Clock Note: Please charge the device for the first time.If it…

Heyuan ZT16 Smart Watch Instruction Manual

July 18, 2025

Smart watch manual Product Introduction: APP download and connection: Scan the QR code to download and install the "ZT Plus" APP (browser, WeChat, etc. can be scanned).https://www.lhzl666.com/home/qrcode_jump/index/id/30 APP connection method:…

HEYUAN 800 RC Speedboat Racing Waterproof High Speed Boat Electric Remote Control Instruction Manual

April 1, 2022

1.Know the remote controller A Rocker B Antenna C Indicator light 2.Install battery for controller Open the cover of battery case:insert 2 batteries (size AA)properly according to the illustration shows.…

HEYUAN Racing Boat NO. 800: User Manual and Operation Guide

instruction manual

Comprehensive guide for the HEYUAN Racing Boat NO. 800, covering remote controller operation, battery installation and charging, boat assembly, maintenance, and parts. Learn how to safely operate and care for…