Naparima BWI

North American 1927

Old Hawaiian

Trinidad & Tobago

Canada (Alberta,

Mean for Hawaii,

 

British Columbia)

Kauai, Maui, Oahu

North American 1927

 

 

Mean for Antigua,

North American 1927

Old Hawaiian

Barbados, Barbuda,

Canada (Manitoba,

Hawaii

Caicos Islands,

Ontario)

 

Cuba, Dominican

 

Old Hawaiian

Republic, Grand

North American 1927

Kauai

Cayman, Jamaica,

Canada (New

 

Turks Islands

Brunswick, New-

Old Hawaiian

 

foundland, Nova

Maui

North American 1927

Scotia, Quebec)

 

Mean for Belize,

 

Old Hawaiian

Costa Rica, El Sal-

North American 1927

Oahu

vador, Guatemala,

Canada (Northwest

 

Honduras, Nicaragua

Territories, Sas-

Oman

 

katchewan)

Oman

North American 1927

 

 

Mean for Canada

North American 1927

Ordinance Survey

 

Canada (Yukon)

Great Britain 1936 -

North American 1927

 

Mean for England,

Mean for CONUS

North American 1927

Isle of Man, Scotland,

(Continental United

Canal Zone

Shetland Islands,

States)

 

Wales

North American 1927

North American 1927

 

Mean for CONUS

Cuba

Ordinance Survey

(East of Mississippi

 

Great Britain 1936 -

River) including Lou-

North American 1927

England

isiana, Missouri, Min-

Greenland (Hayes

 

nesota

Peninsula)

Ordinance Survey

 

 

Great Britain 1936 -

North American 1927

North American 1927

England, Isle of Man,

Mean for CONUS

Mexico

Wales

(West of Mississippi

 

 

River)

North American 1983

Ordinance Survey

 

Alaska, Canada,

Great Britain 1936 -

North American 1927

CONUS

Scotland, Shetland

Alaska

 

Islands

 

North American 1983

 

North American 1927

Central America,

Ordinance Survey

Bahamas (Except

Mexico

Great Britain 1936 -

San Salvador Island)

 

Wales

 

Observaorio Metereo

 

North American 1927

1939; Azores (Corvo

Pico de las Nieves

Bahamas (San Sal-

& Flores Islands)

Canary Islands

vador Island)

 

 

 

Old Egyptian 1907

Pitcairn Astro 1967

 

Egypt

Pitcairn Island

117

Page 123
Image 123
Eagle Electronics Mapping GPS Receiver, 640c manual 117, Conus

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.