Description
8-inch GPS Chart Plotter with EchoSounder: Marine Navigation Made Simple
The 8-inch GPS Chart Plotter with EchoSounder is perfect for easy and reliable marine navigation. The screen is a bright, color TFT LCD that stays clear, even in sunlight. You can count on this system for quick GPS positioning and clear underwater views.
Key Features
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Dual Frequency Sonar: The EchoSounder uses two frequencies, 50KHz and 200KHz. This helps you get clear sonar readings. It works well in both shallow and deep water.
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Quick Setup: The package has everything you need for a fast setup. It includes the display unit, a GPS antenna with a 10-meter cable, quick-start manuals, and mounting hardware.
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Optional Transducers: You can choose the best transducer for your needs:
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600W: NBM40-50/200, NMM40-50/200, or KTD-TM520
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1kW: TMM40-50/200X-T These options help improve sonar performance.
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Upgrade Options
If you’d like a bigger display, you can upgrade to HDMI for just USD 33. This lets you connect the chart plotter to larger monitors for easier navigation.
Built for Tough Conditions
This GPS Chart Plotter is waterproof and durable. It’s perfect for fishing, leisure boating, and commercial use. Its small size means it fits easily on any vessel.
Easy to Use
The user-friendly interface makes it easy to adjust settings and navigate menus. The dual-frequency sonar gives you better target separation, so it works well in both shallow and deep waters.
Technical Specifications
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Display: 8-inch Color TFT LCD
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Sonar: EchoSounder, Dual Frequency (50/200KHz)
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Transducers: Optional (600W or 1kW)
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GPS Antenna: Included with 10-meter cable
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HDMI Support: Optional upgrade (USD 33)
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Waterproof: Yes, marine-grade
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Power Supply: Standard marine voltage
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Installation: Quick and easy
Technical Specifications & Operational Standards
Review certified engineering parameters, electrical inputs, data protocols, and Class compliance standards for this unit:
| OEM Brand / Manufacturer | Onwa Marine |
|---|---|
| Model / Part Number | KM-8C |
| Equipment Classification | Marine Multi-Function Display (MFD) & GPS Chartplotter |
| Display Screen | Sunlight-Viewable Color TFT LCD (High Contrast Multi-Color) |
| Power Supply Input | 10.5 to 35 V DC (Reverse Polarity & Overvoltage Protected) |
| Integrated Sensors | Internal 72-Channel GNSS/GPS Receiver + Dual-Frequency Echo Sounder Support |
| Data Interfaces | NMEA 0183 (2 Inputs / 2 Outputs), NMEA 2000, RS-232, HDMI Output |
| Ingress Protection | IPX6 Waterproof Front Display Enclosure |
| Stock & Port Logistics | Ready Stock for Immediate Vessel Supply across Mumbai, JNPT, Kandla, Cochin, Chennai & Visakhapatnam |
| In-the-Box Documentation | OEM Certificate of Conformance, Wiring Schematics, Installation & Operating Manual |
Seanav Marine maintains bonded warehouse spare parts inventory and factory-trained technical riding squads across all major Indian ports. Immediate dispatch available to vessel agents, ship chandlers, and technical managers at Mumbai, JNPT (Nhava Sheva), Kandla, Mundra, Cochin, Chennai, and Visakhapatnam (view all 400+ ports →).
Manufacturer documentation and compatibility
Select the exact model, hardware generation and document revision. Before ordering, confirm the equipment interfaces, power requirements, required approvals and included accessories against the applicable manufacturer documentation. Send nameplate photographs, the installed equipment details, vessel name, port and ETA with your enquiry.