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| | | GETTING THE BEST PERFORMANCE FROM YOUR FISHFINDER | | |
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| | | INSUFFICIENT GAIN: | | |
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| | | In the example, the bottom echo does not display enough information to judge the bottom hardness and the snags echo is so weak as to appear as part of the bottom sounding. There are no visible fish echoes. | | |
| | | SONAR SCREEN / A-SCOPE FUNCTION Displays the strength and depth of the echoes returned from each ultrasonic pulse. Can also be used for manually setting the gain and adjusting the signal strength for the white line display on the Fish History and Zoom screens. | | |
| | | FISH HISTORY | | |
| | | ZOOM SCREEN | | |
| | | DATA SCREEN | | FUEL SCREEN Displays fuel consumption, fuel used, fuel remaining, fuel economy, boat speed and water depth. Fuel screen will be displayed on the main menu only if the fuel option has been enabled. | | |
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| | | This display is a split screen view (with the right showing the full range and the left a zoom section). The Explorer, 457 and 467 also feature a full screen view option. | | Displays echoes received over time, with the most recent events on the right of the screen. The Explorer 467 and 457 can scroll back to review past history. | | | User-configurable display for a wide range of data choices. This also displays a graph of temperature history | | |
| | | EXCESSIVE GAIN: | | |
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| | | This screen is cluttered with echoes from particles in the water column. The bottom display is blocked out showing no detail and the snag (an old tree) is displayed as part of the bottom. | | |
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| | | | | | | | | | MODEL | PART | | | | EXPLORER 467 with 50/200 kHz transom mount aquaducer - depth, temp and speed | NS006211 | | | | Head unit * EXPLORER 457 with 50/200 kHz transom mount aquaducer - depth, temp and speed | NS006210 NS006201 | | | | Head unit* ACCESSORIES Rail mount bracket for Explorer fishfinders | NS006200 AA002295 | | | | Trolling motor mount bracket | AA002074 | | | | * See page 42 for transducer options | | | | | | | | | |
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| | | Screen size (diagonal) Screen resolution (pixels) Frequency (kHz) Output Power RMS (W) Depth (m / ft) Fuel Computer Speed with Log | | 6.4" (167 mm) 640 x 480 50 / 200 600 600 / 2000 | | 5" (127 mm) 640 x 480 50 / 200 600 600 / 2000 | | |
| | | CORRECT GAIN: | | |
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| | | Using the correct gain setting the screen is still clean, however fish echoes are clearly displayed. | | |
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