Onwa K-Astral 8C
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Onwa · Code K-Astral 8C
Chart navigation · Display touchscreen · NMEA 2000
Navigation & Radar · Fishfinders & Sonar

Representative image of the range K-Astral. Appearance, connections and package contents vary by version.
Image: Onwa
Discover the product
Multifunction display ONWA K-Astral 8C with display 8″, touchscreen and button controls. This version has 1 kW conventional sonar and 500 W CHIRP, with a transducer selected for the desired function. Radar display requires a separate compatible ONWA antenna. Supports NMEA and Ethernet networking for integration into a complete installation.
Connections & accessories
No documented connection has yet been recorded for this exact part number. This does not mean it is incompatible.
Functions & interfaces
Chart navigation · Navigation GPS/GNSS · Display touchscreen · Networked radar with additional antenna · Built-in sonar · CHIRP · 50/200 kHz
Interface:NMEA 0183 · NMEA 2000 · Ethernet · Wi-Fi
Technical specifications
Equipment type
Chartplotter / fishfinder
Display diagonal
8″ TFT
Display resolution
1024 × 768
Brightness
1000 nits
Operation
Touchscreen and physical buttons
Power supply
10,5–31,2 V DC
Protection
IPX6
Networking
NMEA 0183 · NMEA 2000 · Gigabit Ethernet RJ45
Video
Compatible network cameras ONVIF · optional output HDMI
Built-in AIS
No
Built-in sonar
Conventional 50/200 kHz, 1 kW · CHIRP 83/200/455 kHz, 500 W
Radar
Required compatible optional antenna ONWA
Charting
K-Chart / Navionics+· the support C-MAP DISCOVER X / REVEAL X depends on software update
Waypoints
Up to 12,000 (with symbols or names); 10 most recent displayed
Routes
30 routes, up to 170 points per route
Tracks
Auto record 80,000 points; 10 track lines (up to 8,000 points each)
Recording interval
1s–99h / 0.01–9.99 NM
Scale chart
0.002–500 NM
Selection & compatibility
This model is included in our catalogue. The exact configuration, compatibility and supply availability are confirmed when you contact us.
Browse the equipment
Kit contents, interfaces and required accessories are checked for the exact part number. Connection to another system does not mean all functions are built in.
Is it right for your vessel?
Tell us about your vessel, existing equipment and requirements. Elmare will help you choose the right configuration.
Request information by email ↗
+30 210 400 2538
Elmare · 1 Proussis Street, Keratsini
