ECHOMAP UHD2 7" cv
A 6.1-inch keyed-button fishfinder/chartplotter combo with built-in CHIRP sonar and ClearVu scanning for boats up to 32 GB of chart storage.
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Haiyang

The Haiyang HD-70F is a 7-inch wide-screen chartplotter/fishfinder combo with dual-frequency sounding and IMO Resolution MSC.112(73) compliance.
Technical
| Display Screen | 7 inch wide color LED backlight |
|---|---|
| Resolution | VGA (480 x 800 pixels) |
| Power Supply | DC 12V ~ 36V (±10%), 6W without fishfinder / 12W with fishfinder |
| Operation Temperature (Display Unit) | -15°C ~ +50°C |
| Operation Temperature (Antenna Unit) | -25°C ~ +70°C |
| Waterproof | IP6 |
| Performance Standard | IMO Resolution MSC.112(73) |
| Back-up | SD Card (optional) |
| GPS Receive Type | L1 Frequency (1575.42MHz), C/A code |
| Number of Channel | Over 50 channels |
| Accuracy (Position) | 2.5m CEP |
| Accuracy (DGPS/SBAS) | 2.0m CEP |
| Sensitivity | Acquisition -140 dBm, Tracking -149 dBm |
| Data Update Rate | 1 second |
| GPS Support | DGPS, SBAS (WAAS, etc.) |
| Datum | WGS-84 (standard), 270 different datums |
| Display Method | Mercator projection |
| Display Mode | True motion / North up / Course up / Head up |
| Latitude Limits | Between 85°N to 85°S |
| Waypoint | 20,000 points (16 colors and 16 icons selectable per point) |
| Track Point | 50,000 points |
| Route | Max capacity 100 routes (20 WPTs per route, 8-character name tags) |
| Chart Data | C-MAP NT+/MAX |
| Output Data | NMEA-0183 |
| Input Data | NMEA-0183 |
| Alarm | Arrival, Anchor, Off course, Interval timer, AIS (CPA, TCPA) |
| Fishfinder Display Mode | Bottom-lock, Bottom-zoom, A-scope |
| Fishfinder Frequency | 50 and 200 kHz (single or dual) |
| Fishfinder Output Power | 600W |
| Depth Range | 2.5m ~ 600m |
| Image Speed | Fixed 8 speeds and stop |
| Interference Rejection | 3 levels |
| Noise Rejection | 4 levels |
| Function | Gain (auto/manual), Range (auto/manual), Depth with shift (auto/manual) |
| Fishfinder Alarm | Depth, Fish-school, Water temperature |
Overview
The Haiyang HD-70F pairs a 7 inch wide color LED-backlight display (VGA, 480 x 800 pixels) with a 50/200 kHz single- or dual-frequency fishfinder rated at 600 W output, covering depth ranges from 2.5 m to 600 m. Its GPS receiver tracks over 50 channels on L1 (1575.42 MHz, C/A code), supported by DGPS and SBAS (WAAS) augmentation for 2.0 m CEP accuracy. The unit stores up to 20,000 waypoints, 50,000 track points and 100 routes, and reads C-MAP NT+/MAX chart data over a Mercator projection display. Built to IMO Resolution MSC.112(73), it runs on a DC 12V to 36V supply and its antenna unit is rated from -25°C to +70°C.
Questions
The HD-70F has a 7 inch wide color LED-backlight display at VGA resolution (480 x 800 pixels).
The built-in fishfinder runs at 50 and 200 kHz (single or dual) with 600W output power, covering a depth range of 2.5m to 600m.
Position accuracy is 2.5m CEP, improving to 2.0m CEP with DGPS/SBAS, tracking over 50 channels with a 1-second update rate.
It carries an IP6 rating and meets IMO Resolution MSC.112(73).
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