Main Menu.

The Main Menu commands and their functions are:

Screen command: changes the contrast or brightness of the display screen.

Sounds command: enables or disables the sounds for key strokes and alarms and sets the alarm style.

Transparency command: adjust the level of transparency for menus.

Alarms command: turns GPS alarms on or off and changes alarm thresholds.

Route Planning command: used to plan, view or navigate a route.

My Trails command: shows, hides, creates and deletes plot trails. Also used to navigate or backtrack a trail.

Cancel Navigation command: turns off the various navigation com- mands. Used to stop navigating after you have reached your destina- tion waypoint, Point of Interest or map cursor location; or after you reach the end of a route or trail.

GPS Setup command: sets various GPS receiver options.

System Setup command: sets general configuration options.

Sun/Moon Calculations command: finds the rising and setting time of the sun and the moon.

Trip Calculator command: shows trip status and statistics.

Timers command: controls the up timer, down timer and alarm clock settings.

Browse MMC Files command: this allows you to view the installed MMC card and the files it contains.

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Eagle Electronics Mapping GPS Receiver, 640c manual Main Menu

640c, Mapping GPS Receiver 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.