| 摘要 |
A protective cap for a rotatably-adjustable electrical component mounted to a PW board in an enclosed electronic control unit. The housing of the electronic control unit has a tuning access hole axially aligned with a tapered lead-in port in the center of the protective cap. An adjustment tool is inserted into the tuning access hole and guided into a tuning slot in the adjustable electrical component by the tapered lead-in port in the cap. The cap also protects the rotatable component from damage by a poorly-aimed adjustment tool. The several caps covering the rotatable components on a board as well as the access openings of the housing may be color-coded to assist in component identification.
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