| 摘要 |
<p>The portable instrument has a position sensor and a watertight housing that defines an internal volume in which are placed in electronic display unit. A processing circuit is provided to enable an indication depending on the position of the position sensor to be displayed on the electronic display unit. The watertight housing is provided with a molded portion of transparent material enabling the electronic display unit to be read and to surround the processing circuit and the electronic display unit.</p> |
