1. Confirm to “ General specification for echo-sounding equipment in ships” issued by Maritime Safety Administration of P.R.C. |
2. High-precision & High-reliability. |
3. Brightness adjustable display tubes with wide viewing angles and brightness adjustment function. |
4. Shallow water alarm make sure your navigation safety. |
5. You can choose from a variety of distance unit. |
6. Test itself automatically when the machine is starting. |