Deck : General Navigation - 924/2138
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| When using the ARPA in heavy rain, which action should you take? |
| A) Increase the radar gain to pick up weak echoes through the rain. |
| B) Navigate as though the effective range of the radar has been reduced. |
| C) Increase the range of the inner and outer guard rings. |
| D) Increase the STC setting to reduce close-in spurious signals. |
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