Engine : Electricity - 1353/1386
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| In viewing the liquid crystal display for the illustrated depth sounder data display unit, what should be done if the graphic display of the ocean bottom is no longer visible on the screen? Illustration EL-0186 |
| A) Increase the range adjustment. |
| B) Decrease the range adjustment. |
| C) Decrease the gain adjustment. |
| D) Increase the gain adjustment. |
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