command SET AS ORIGIN selected. Press ENT and the unit returns to the Configure Map Fix menu. Finally, press EXIT to close this menu. Now press ↑ to COORD SYSTEMENT, select MAP FIX from the list and press ENT. Press EXIT repeatedly to get back to the main page display where all position information now is shown as a distance from the reference point you chose.

Customize Page Displays

The Satellite Status, Navigation, Map and Sonar pages all have custom- izable options. These options control what information is viewable on each page.

Customize Satellite Status Page

While on the Satellite Status Page, press MENU↓ to CUSTOMIZEENT. The digital data box at the top of the screen will begin to flash.

1.Press ENT if you want to change the data in that box or use ↓ ↑ to select a different data box to customize.

2.With the desired data box highlighted and flashing, press ENT to ac- cess the Data Viewer menu. It has five Data Categories: GPS Data, Navigation, Trip Calculator, Time and Sonar Data.

Customize selected on the Satellite Status Page menu (left). After choosing a digital data box to customize, the Data Viewer menu will appear (center). Notice none of the data category internal menus are visible, denoted by the "+" next to each category. Position Error has been selected from the GPS Data category (right).

3.Use ↑ ↓ to select a data category, which will have either a "+" or "-" in front of it. If the desired category is flanked by a "+", a list of data op- tions will appear when you highlight the category and press ENT.

4.After opening the category, use ↑ ↓ to select the desired data option and press ENT to turn it on (check) or turn it off (uncheck) and press

EXIT.

5.Use ↑ ↓ to change the data in another digital data box or press EXIT to return to normal operation.

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Eagle Electronics 640c manual Customize Page Displays
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640c specifications

Eagle Electronics has made a significant mark in the world of marine electronics with its innovative and reliable products, notably the Eagle Electronics 640C, 640cDF, and the 640c models. These devices are designed for anglers and navigators who seek advanced functionality combined with user-friendly operation.

The Eagle Electronics 640C is a high-performance fish finder that is primarily admired for its vibrant display and precise mapping capabilities. Equipped with a 640x480 pixel, full-color LCD screen, it provides crystal-clear visibility even in bright sunlight. This device uses advanced sonar technology to offer detailed underwater images, allowing users to locate fish with remarkable accuracy. The high-resolution graphics enhance the experience while providing an intuitive interface for easy navigation through its various features.

The 640cDF, a variant of the 640C, elevates the standard fish finder experience by incorporating dual-frequency sonar capabilities. This model operates on both 200 kHz and 83 kHz frequencies, allowing users to switch between narrow and wide beams based on their fishing needs. The dual-frequency technology provides a more comprehensive view of the underwater environment, making it easier to identify different types of fish and underwater structures. Additionally, the 640cDF boasts temperature sensing capabilities, giving anglers valuable data regarding water conditions that can influence fish behavior.

All models in the Eagle 640 series feature built-in GPS navigation. The integrated GPS provides a reliable mapping system that allows users to mark waypoints and create routes, significantly improving navigation efficiency. This technology is vital for those who engage in long-distance fishing trips or travel in unfamiliar waters. The GPS functionality, combined with the sonar capabilities, makes these devices essential tools for successful fishing excursions.

Furthermore, the Eagle 640 series devices come equipped with customizable display options, allowing users to tailor the information presented based on their preferences. The intuitive menu system simplifies the navigation of the device's various features, empowering users to quickly access critical data without unnecessary complications.

In summary, the Eagle Electronics 640C, 640cDF, and the 640c represent a blend of cutting-edge technology and user-centric design in the marine electronics space. With features such as high-resolution displays, dual-frequency sonar, built-in GPS navigation, and customizable settings, these devices enhance the fishing experience, making them invaluable assets for anglers and navigators alike.
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