Deck : Safety - 128/2841
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| The reception of weak radio signals may be improved by "opening up" the squelch control. What is the normal setting of the squelch control? |
| A) Completely closed with the volume at the highest level |
| B) Completely open with the volume at the lowest level |
| C) Just past the point where background noise is cut off |
| D) None of the above |
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