| 摘要 |
A combined knotmeter, distance/log meter and depth meter including a meter housing, a dial face having indicia symmetrically centered thereabout, an analog speed indicator having a pointer for cooperating with the indicia; upper and lower openings in the dial face in alignment with digital log and depth meters of the electro-mechanical and LCD-type, respectively; the upper opening interrupting the indicia centered about a twelve o'clock position and actuators for the indicators responsive to sensed variables of speed, distance and water depth.
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