A menu appears showing the prefixes of the available NMEA sentences. A check mark next to a prefix means the prefix is in use. Use ↑ ↓ → ← to select a prefix, then press ENT to turn off the prefix. (Press ENT again to check the box and turn a prefix on.)

NOTE:

The names of the NMEA sentences are abbreviated in this menu. These are the functions of the various selectable prefixes:

•GLL transmits latitude and longitude of present position, time of position fix, and status.

•GGA transmits time, position and fix related data.

•APB transmits autopilot information.

•RMC and RMB transmits navigation information messages.

•GSA and GSV transmits fix mode, DOP values and satellites in view information.

•DBT transmits the depth below the transducer.

•DPT transmits the depth

•MTW transmits the water temperature.

4.When the desired prefixes are checked or unchecked, press EXITEXITEXITEXIT to return to the previous page.

Compatibility With Various VHF Radios

The Digital Selective Calling (DSC) feature in marine radios is rela- tively new technology. The U.S. Coast Guard, for example, imple- mented its first DSC-capable systems in Atlantic City, N.J. and Chinco- teague, VA in September, 2003. However, the entire U.S. DSC rescue system won't be operational until Sept. 30, 2006.

As more marine electronics manufacturers enter this growing market, other connectivity issues with your unit may appear. You can check for known compatibility issues by visiting our web site, www.lowrance.com. Look in the Manuals section for updated documents for your sonar/GPS unit.

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Lowrance electronic M68I owner manual Compatibility With Various VHF Radios
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M68I specifications

The Lowrance M68i is a compact and versatile fishfinder designed for anglers who seek an efficient and reliable tool to enhance their fishing experience. This unit combines advanced technology with user-friendly features, making it suitable for both novice and seasoned fishermen.

One of the standout features of the M68i is its brilliant 6.4-inch display, which boasts a high-resolution color screen. This allows for clear visibility even in bright sunlight, enabling users to easily interpret data and locate fish beneath the water’s surface. The screen is also designed with a user-friendly interface that simplifies navigation through the device’s various settings and functions.

The M68i utilizes Lowrance's innovative Broadband Sounder technology, which provides exceptional sonar performance. This technology delivers clear and accurate readings, allowing anglers to differentiate between fish and their habitats with ease. The unit offers various depth and sensitivity settings, ensuring adaptability to different fishing conditions and environments.

In addition to its sonar capabilities, the M68i includes a built-in GPS system. The integrated GPS provides anglers with precise navigation, including the ability to mark waypoints and track routes. This is particularly useful for returning to successful fishing spots or navigating unfamiliar waters. The unit comes preloaded with detailed mapping and can support additional mapping options for enhanced coverage.

Another noteworthy aspect of the M68i is its rugged and waterproof design. This durability allows the device to withstand harsh marine environments, ensuring that it stays functional even under challenging conditions. The design is also convenient for mounting on various boats, making it a versatile choice for different fishing setups.

The M68i is equipped with several customizable features, enabling users to tailor the display to their specific needs. The unit allows for split-screen viewing, which is helpful for simultaneous sonar and GPS readings. Additionally, anglers can adjust color palettes and data readouts to enhance visibility and accessibility during their fishing trips.

Overall, the Lowrance M68i fishfinder stands out for its combination of advanced sonar technology, GPS capabilities, and robust design. It serves as a reliable tool for anglers looking to improve their fishing success and navigate waterways with confidence. Whether you're out for a leisurely day on the water or a serious fishing expedition, the M68i is well-equipped to support your needs.
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