ONWA K-Astral Easy-to-use MFD Chartplotter

8″ and 12″ Central Control System with Highly Responsive Touchscreen and Traditional Keypad

What Makes K-Astral Touch-screen MFD Unique?
- Highly responsive touch control even under wet conditions
- 1000 nits sunlight-viewable display
- Next-generation CHIRP fishfinder module（for K-Astral 8/12C,8/12X ONLY）
- Built-in Radar Function (Radar antenna is optional)
- C-MAP (support in future update): DISCOVER™ X and REVEAL™ X
A chart plotter depth finder combines GPS navigation with sonar technology to provide accurate underwater depth measurements and precise vessel positioning. Ideal for fishing, boating, and marine navigation, it displays real-time depth, water temperature, and underwater contours on a digital screen. Compact and user-friendly, these devices enhance safety, route planning, and fishing efficiency, allowing sailors and anglers to navigate confidently and avoid underwater hazards while optimizing their time on the water.

Chart Features
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)
Alarms	8 types — Cross Track Error (XTE), anchor drag, zone arrival, speed, voltage, timer, Wind Speed Alarm (AWS)
Palette	Normal / Night / Daylight / Paper chart
Projection	Mercator
Position Format	Longitude / Latitude
Maps	Worldwide Basemap
External Maps	K-Chart/Navionics+/C-MAP® DISCOVER™ X and REVEAL™ X
User Data Storage	Internal memory or SD card
Recording Interval	1s–99h / 0.01–9.99 NM
Chart Scale	0.002–1000 NM

Physical Parameters
Series	Dimensions (L×W×H)	Weight	Display	Resolution	Display Area (W×H)	Environmental Ratings
K-Astral 8 Series	276.1×165.9×81.9 mm (10.87×6.53×3.05 in.)	1.4 kg (3.1 lbs)	8" TFT LCD	1024×768	162.1×121.5 mm (6.38×4.79 in.)	Display Unit Water Rating: IPX6 Display Unit Operating Temperature: -15°C to +55°C
K-Astral 12 Series	369.9×234.9×84.8 mm (14.56×9.25×3.17 in.)	2.4 kg (5.5 lbs)	12.1" TFT LCD	1024×768	245.7×184.3 mm (9.68×7.26 in.)

Satellite Reception Performance
GNSS	GPS and Beidou (K-Astral 8A, K-Astral8X, K-Astral 12A and K-Astral 12X)
Channels	56
Sensitivity	Acquisition: -148 dBm; Tracking: -162 dBm
TTFF (Time to First Fix)	Cold start avg. 35s; Warm start avg. 10s; Hot start avg. 1s
Update Rate	1 Hz or 10Hz (depends on mode)
Accuracy	Position ≤3 m (95%) without S/A; Speed 0.1 m/s; Time ±100 ns
Dynamics	Altitude ≤18,000 m;Speed ≤515 m/s;Acceleration ≤4g
Chart Standard	WGS 84 and others
Antenna	Standard configuration: KA-012 with adapter optional KA-09 external antenna
GNSS	Choice of 4 GNSS (K-Astral 8, K-Astral 8C, K-Astral 12 and K-Astral 12C): GPS, Beidou, Galileo, GLONASS
Channels	52
Sensitivity	Acquisition: -148 dBm; Tracking: -162 dBm
TTFF (Time to First Fix)	Cold start ≤ 23 s; Warm start ≤10 s; Hot start avg. 1s
Update Rate	1 Hz, maximum 10 Hz. (depends on model)
Accuracy	Position ≤1.5 m (CEP50) ; Speed 0.1 m/s; Time ±100 ns
Dynamics	Altitude ≤18,000 m; Speed ≤515 m/s; Acceleration ≤2g
Chart Standard	WGS 84 and others
Antenna	Standard configuration: KA-012 with adapter optional KA-09 external antenna

AIS Interface
Baud Rate	38,400
Frequency	161.975 MHz~162.025 MHz
Access Scheme	SOTDMA
Channel Bandwidth	25KHz
Modulation	GMSK
Data Rate	9,600 bps
Number of AIS Transmitter	1
Number of AlS Receiver	2
AIS Channel 1	CH 87B(161.975 MHz)
AIS Channel 2	CH 88B(162.025 MHz)
TX Power Output	>5 Watt (37 dBm±1.5dB)
RX Sensitivity RX Message Format	>112 dBm @ 20%PER AIS Class A and B messages
Complies with Standards	ITU-R M.1371-5:2014; IEC 62287-1 Ed. 3:2017;IEC 62287-2 Ed. 2: 2017

Data Interfaces
RI-45 ONWA Marine network NMEA2000 network 6-pin XDCR (Transducer, K-Astral 8c.12c.8x.12X) VHF (AlS antenna interface,K-Astral 8A 12A.8X12X BNC (External GNss antenna, optional) HDMl Output (optional) SD card slot 8-pin Power Port (Power + NMEA 0183 network) WiFi Frequency: 2.4 GHz @ 17 dBm (max) WiFi speed: up to 433 Mbps IP Camera: supported

Item	Quantity
Display Unit( with Screen Protection Cover )	1
Bracket	1
Bracket Locking Knob	2
8-pin Power / NMEA 0183 Data Cable	1
Transparent Protective Cover	1
Quick Start Manual	1
Quick Installation Manual	1
Panel Cutout Template	1
EVA Mounting Template	1
Spare Fuse	2
Bracket Mounting Screws (Stainless Steel)	4
Panel Mounting Machine Screws (Stainless Steel)	4
Panel Mounting Wood Screws (Stainless Steel)	4
Self-tapping Screws	4
Hex Nuts	4
Washers	4