the arrow keys — STEER WITH ARROWS command — or by setting the track and speed in the dialog boxes provided on the simulator menu screen.

To get to the GPS Simulator:

1.Press MENUMENU↓ to GPS SETUPENT.

2.Press ↓ to GPS SIMULATORENT. The GPS Simulator Menu appears.

GPS Setup Menu (left). GPS Simulator menu (center).

Map Page showing Steer with Arrows dialog boxes (right). The trav-

eler is following a track of 144º at a speed of 71 miles per hour.

Choose the desired settings, then turn on the simulator by highlighting the GPS SIMULATOR ON box and pressing ENT. Press EXIT repeatedly to get back to the main page display. A message and tone appear periodically to remind you the simulator is on. To turn off the simulator, repeat the steps above or turn off the unit.

If you selected the Steer with Arrows command and want to remove the dialog boxes from the screen, press EXIT. That will clear the track and speed boxes without disrupting the simulation and allow you to use the map cursor.

Simulating Trail or Route Navigation

In Simulator mode, your unit can automatically follow a trail or route without manual steering if you use these steps:

1.From the Map Page, go to the simulator menu. Pick a STARTING PO- SITION at or near the beginning of your trail/route. Enter an approximate TRACK (shown in compass degrees) that will point you toward the start of the trail/route.

2.Set SPEED to zero. Select STEER WITH ARROWS command and press ENT, which turns on the simulator and returns you to the Map Page.

3.Begin navigating along the trail/route. (If you are close enough to the first waypoint, the arrival alarm will usually go off as soon as naviga-

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Eagle Electronics 640C, 640cDF manual To get to the GPS Simulator, Simulating Trail or Route Navigation

640c, 640C, 640cDF 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.