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-50F/CF is a 5-inch color LCD fishfinder with dual-frequency 50/200 kHz sounding and up to 600W output, compliant with IMO Resolution MSC.112(73).
Technical
| Display Screen | 5 inch color LCD with LED backlight (Smart5) |
|---|---|
| Resolution | WVAG (800 x 480 pixels) (Smart5) |
| Power Supply | DC 12V ~ 36V (±10%), 7W (HD-50F/CF) |
| Operation Temperature (Display Unit) | -15°C ~ +50°C |
| Operation Temperature (Antenna Unit) | -25°C ~ +70°C |
| Performance Standard | IMO Resolution MSC.112(73) |
| Option | MicroSD, External GPS Antenna, Transducer |
| Fishfinder Display Mode | Normal (single/dual-frequency), Bottom-lok, Bottom-zoom, A-scope |
| Fishfinder Frequency | 50 and 200 KHz (single or dual) |
| Fishfinder Output Power | 300W/600W |
| Range Speed (300W) | 2.5m ~ 300m |
| Range Speed (600W) | 2.5m ~ 600m |
| Image Speed | Fixed 8 speeds (4/1, 2/1, 1/2, 1/4, 1/8, 1/16, 1/32) and stop |
| Interference Rejection | 3 levels |
| Noise Rejection | 4 levels |
| Function | Gain (auto/manual), Range (auto/manual), Shift (auto/manual), White/Black line, Support speed sensor, Water temperature |
Overview
The Haiyang HD-50F features a 5 inch color LCD display (Smart5, WVGA 800 x 480) and a dual-frequency fishfinder operating at 50 and 200 kHz with 300W/600W output power, covering depth ranges from 2.5m to 600m. It offers eight fixed image speeds, three levels of interference rejection, and four levels of noise rejection, along with auto or manual gain, range, and shift controls plus speed sensor and water temperature support. Built to IMO Resolution MSC.112(73), it runs on a DC 12V to 36V supply and supports optional MicroSD storage, an external GPS antenna, and a transducer.
Questions
It has a 5-inch color LCD with LED backlight (Smart5), at WVGA resolution (800 x 480 pixels).
The fishfinder runs at 50 and 200 kHz (single or dual) with 300W/600W output power. Range is 2.5m to 300m at 300W, extending to 2.5m to 600m at 600W.
The HD-50F/CF variant runs on a DC 12V to 36V (±10%) supply, drawing 7W.
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