The operationprincipleofmarinenavigationradar is deeply analyzed in thisproject, including the basicprinciple of radio, impulse radar and radio-range orientation.
The chromed plastic volume rocker, power button and screen orientation lock switch nestled in the plastic radio reception strip at the top of the device are decidedly less luxurious, however -- the travel of each was shallow, and the finish on the plastic appeared a bit cheap to our eyes.