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ONWA Manuals & User Guides

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

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User Manuals, Instructions and Guides for ONWA products.

ONWA manuals

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ONWA K-Astral Series 12 Inch Touchscreen Marine Chartplotters Installation Guide

June 16, 2026

K-Astral Series Quick Installation Manual This manual is applied to K-Astral 8(A/C/X/S), K-Astral 12(A/C/X/S) Packing List When you first time open the box of your plotter please confirm you have…

ONWA K-Astral Series Radar Ready Touchscreen Instruction Manual

June 16, 2026

ONWA K-Astral Series Radar Ready Touchscreen Specifications Manufacturer: Shenzhen Onwa Marine Electronics Co. Ltd. Manufacturer Address: Bldg. B, RM 809, Qianwan Key & Core Technology Industrial Park, Xixiang, Bao an…

ONWA KS200 Series AIS Transponder Owner’s Manual

June 4, 2026

ONWA KS200 Series AIS Transponder Usage Instructions General Power On/Off After completing all installation and setup, simply switch on the unit by pressing the [ON/OFF] switch on the rear panel…

ONWA KCombo-7 Marine GPS FishFinder User Manual

May 16, 2026

ONWA KCombo-7 Marine GPS FishFinder Specifications General Model: ONWA KCombo-7 Display: 7-inch Color LCD GPS Plotter Weight: 0.6 kg Size: 155.2mm (H) x 243mm (W) x 84.6mm (D) Plotter Characteristics…

ONWA K-ProVision 9S Touchscreen Marine Fish Finder Installation Guide

April 28, 2026

ONWA K-ProVision 9S Touchscreen Marine Fish Finder Packing List When you first open the box of your plotter, please confirm you have the following items inside the box: Display Unit…

ONWA K-ProVision Series GPS CHIRP Fishfinder Installation Guide

January 5, 2026

ONWA K-ProVision Series GPS CHIRP Fishfinder Specifications Model: K-ProVision 5S/C, K-ProVision 7S/C Dimensions: 126.3 x 215.3 x 63.4mm (K-ProVision 5S/C), 135.3 x 241.3 x 64.9mm (K-ProVision 7S/C) IP Rating: IPX6…

ONWA KS-200A+ AIS Transponder Rectification Instruction Manual

service manual

Official rectification instructions for the ONWA KS-200A+ AIS Transponder to resolve MMSI code display issues. Includes step-by-step modification guide.

ONWA KR-12X8/15X8 Marine Radar Operator's Manual

manual

Comprehensive operator's manual for the ONWA KR-12X8/15X8 series TFT LCD Color Marine Radar. Includes installation, operation, maintenance, and troubleshooting guides.

ONWA KS200 Series Class B AIS Transponder Quick Start Manual

quick start guide

Quick start guide for ONWA KS200 series Class B AIS transponders, including KS200A+, KS200A+_SART, KS200B+, and KS200B+_N. Covers power operation, indicator lights, and FCC compliance.

ONWA KCombo-7 Marine GPS Fishfinder Plotter User Manual

User Manual

Comprehensive user manual for the ONWA KCombo-7 marine GPS fishfinder and plotter. Details plotter characteristics, GPS receiver specifications, echo sounder features, AIS interface, NMEA support, power supply, physical dimensions, and…

ONWA K-ProVision Series Quick Installation Manual for 5S/C and 7S/C Models

Quick Installation Guide

Quick installation guide for the ONWA K-ProVision Series marine chartplotters (models 5S/C and 7S/C), covering packing list, general specifications, power, sonar, GNSS, and interconnection details.