
Tuning method | Related options | Description | ||
Enhance Echoes | INT. REJECTION: | The enhance echoes | ||
functions: | • | ON — minimizes | functions enable you to | |
• | Interference | minimize the negative | ||
| the effect of | effects of echoes on the | ||
| rejection — this |
| interference from | radar display. |
| function minimizes |
| other |
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| the effect of |
| vessels. |
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| interference from | • OFF — allows you to |
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| other |
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| detect the presence |
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| vessels. |
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| of other radars in the |
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• | Expansion — |
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| vicinity. |
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| enables you to | EXPANSION: |
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| override the default |
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| radar pulse length, | • | ON — increases |
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| providing larger target |
| the pulse length. |
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| returns. |
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| This provides larger |
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• | Wakes — enables |
| target returns, making |
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| you to see the |
| them easier to see. |
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| direction and speed |
| However, larger |
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| of moving targets |
| returns may decrease |
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| relative to your |
| target resolution, and |
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| vessel. |
| merge on the display. |
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| • OFF — this is the |
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| default setting. It |
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| provides better range |
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| resolution, giving |
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| you more defined |
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| (but smaller) target |
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| returns. |
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WAKES:
•ON — shows the direction and speed of moving targets
Tuning method | Related options | Description |
relative to your vessel. Targets are displayed in yellow, turning to paler shades of blue as the signal diminishes. The options are: 10 sec, 30 sec, 1 min, 5 min, 10 min.
| • OFF — does NOT |
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| show the direction |
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| and speed of moving |
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| targets in relation to |
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| your vessel. |
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Tune control | • | AUTO — the | The radar tuning control |
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| default mode. | enables you to |
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| The radar tunes | the radar scanner’s |
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| itself automatically | receiver for maximum |
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| on all range | target returns on the |
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| scales. Raymarine | display. |
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| recommends that |
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| you leave the tune |
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| function in AUTO |
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| mode to receive the |
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| maximum signal. |
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| • | MANUAL — enables |
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| you to manually set |
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| the tuning. Adjust |
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| the control to obtain |
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| the maximum signal |
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| strength. If you adjust |
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| the setting shortly |
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| after powering up |
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| the radar scanner, |
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Using radar | 111 |