3.5Selecting Picture Advance Speed

When selecting a picture advance speed, keep in mind that a fast advance speed will expand the size of the fish school horizontally on the screen and a slow advance speed will con- tract it.

1.Press the MENU key.

2.Press the [6] key to display the VIDEO SOUNDER SETUP menu.

3.Press or to select ADVANCE.

4.Press t or s to select advance speed (a "fraction") desired, or STOP to suspend advancement of the picture.

The fractions in the menu denote number of scan lines produced per transmission. For example, 1/8 means one scan line is produced every 8 transmissions.

5. Press the MENU key.

FastSlow

Figure 3-9 Comparison of picture

advance speeds

3.6 Suppressing Interference

Interference from other acoustic equipment operating nearby or other electronic equip- ment on your boat may show itself on the dis- play as shown in Figure 3-10.

To suppress interference, do the following:

1.Press the MENU key.

2.Press the [6] key to display the VIDEO SOUNDER SETUP menu.

3.Press or to select NOISE LM.

4.Press tor sto select degree of suppres- sion desired; OFF, NL1, NL2 or NL3. The higher the number the greater the degree of suppression.

5.Press the MENU key.

Electrical

Interference from

interference

other sounder

Noise limiter turned on

Figure 3-10 How the noise limiter works

Turn the noise limiter circuit off when no in- terference exists, otherwise weak echoes may be missed.

3.7 Erasing Weak Echoes

Dirty water or reflections from plankton may be painted on the display in green or light blue. These weak echoes may be erased as follows:

1.Press the MENU key.

2.Press the [6] key to display the VIDEO SOUNDER SETUP menu.

3.Press or to select SIG LEV.

4.Press t or s to select level of erasure; SL0 (OFF), SL1 or SL2. The higher the number the stronger the echo will be erased.

5.Press the MENU key.

3-4

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Furuno GP-1610CF manual Selecting Picture Advance Speed, Suppressing Interference, Erasing Weak Echoes

GP-1610CF specifications

The Furuno GP-1610CF is a sophisticated marine navigation system designed for enthusiasts who demand accuracy and reliability on the water. Featuring a 10.4-inch color LCD display with a resolution of 640 x 480 pixels, this unit provides crystal-clear images of charts and navigation information, even under direct sunlight. Its user-friendly interface allows for intuitive management of various functions, making it accessible for both novice and experienced mariners.

One of the standout features of the GP-1610CF is its integrated GPS receiver, which boasts a high sensitivity that ensures rapid acquisition of satellite signals and precise positioning. The unit supports a range of positioning formats, including WAAS (Wide Area Augmentation System), allowing for enhanced accuracy within the coastal dimensions. Additionally, the GP-1610CF is compatible with DGPS (Differential GPS) systems, further refining positional accuracy and providing a reliable navigation experience.

The GP-1610CF also supports C-MAP NT+ charting, offering an extensive variety of cartographic data covering numerous regions. This enables users to visualize marine environments with detailed bathymetric information, harbor layouts, and navigational aids. The system's customizable waypoints and route planner facilitate efficient marine navigation, allowing users to create multiple routes and track them in real time.

In terms of connectivity, the GP-1610CF offers NMEA 0183 output, which allows it to interface seamlessly with other marine electronics such as autopilots, radar systems, and depth sounders. This enabling communication between devices enhances overall situational awareness and improves navigation assistance.

The unit is built to withstand the harsh marine environment, featuring a robust housing that is resistant to saltwater, humidity, and temperature variations. Additionally, the GP-1610CF can function in challenging lighting conditions thanks to its adjustable contrast and brightness settings, which help maintain visibility during nighttime operation.

Overall, the Furuno GP-1610CF stands as a reliable choice for sailors seeking a high-performance navigation solution. With its combination of advanced GPS technology, high-resolution display, extensive chart compatibility, and robust design, this device continues to be a trusted companion for marine adventures around the globe. Whether cruising, fishing, or engaging in professional navigation, the GP-1610CF delivers essential features that empower users to navigate with confidence and accuracy.