3.2Automatic Sounder Operation

Automatic operation is useful when you are preoccupied with other tasks and do not have time to adjust the display.

How it works

The automatic function automatically selects the proper gain and range scale according to depth. It works as follows:

•Range changes automatically to locate the bottom on the lower half of screen. It jumps to one step shallower range when bottom echoes reach a half way point of the full scale from top and to one step deeper range when they come to the lower edge of scale.

•The gain is automatically adjusted to dis- play the bottom echo in reddish brown (de- fault color arrangement).

•Clutter level, (on the VIDEO SOUNDER SETUP menu), which suppresses low level noise, is automatically adjusted.

Two types of automatic modes

Two types of automatic modes are available: cruise and fish. Cruise is for tracking the bot- tom, and fish is for searching fish schools. Since "Cruise" uses a higher clutter rejection setting than "Fish," it is not recommended for fish detection – weak fish echoes may be de- leted by clutter rejection.

How to enable automatic sounder operation

1. Press the AUTO key.

AUTO MODE

Cruise

Fish

Manual

Figure 3-2 Auto mode display

2.Press the AUTO key again to select Cruise or Fish.

3.Press the ENT or MENU key.

3.3Manual Sounder Operation

Manual operation is useful for observing fish schools and bottom using fixed gain setting.

The gain, range and range shifting functions used together give you the means to select the depth you can see on screen. The basic range can be thought of as providing a "window" into the water column and the range shifting as moving the "window" to the desired depth.

Manually adjusting the sounder picture

1.Press the AUTO key to display the AUTO MODE menu.

2.Press ▼ to select Manual.

AUTO MODE

Cruise

Fish

Manual

 

Low

 

 

 

High

Gain

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Range

5

 

 

 

 

 

10

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

80

 

 

 

 

 

160

 

300 m

Shift

0 m

 

 

 

 

 

Figure 3-3 Gain, range and shift

adjustment display

3. Press ▼ to select Gain.

Normally, set the gain to the point where excessive noise does not appear on screen. Use a higher gain setting for greater depths and a lower setting for shallower waters.

4. Press t or s to set level.

3-2

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Furuno GP-1610CF manual Automatic Sounder Operation, Manual Sounder Operation, Two types of automatic modes
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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.
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