Zoom, Inscribing Marks on the Display | Furuno FR-8251, FR-8111

1.20 Zoom

The zoom feature allows you to double the size of the area between your vessel and any location within the current range to take a closer look at an area of interest. (Your radar may not have this function.)

1)Select location with the cursor.

2)Press and hold down the SHIFT ZOOM key about two seconds. ZOOM appears at the top left corner when the zoom function is on.

Cursor

1 Place cursor	2 Press SHIFT
where desired.	ZOOM key to zoom.

Figure 1-18 Zoom function

Note: Zoom is canceled when range or presenta- tion mode is changed.

Canceling zoom

Press the SHIFT ZOOM key again.

1.21Inscribing Marks on the Display

The MARK (PUSH) control inscribes marks on the display. Each time the MARK (PUSH) con- trol is pressed, an asterisk (*) appears at the cur- sor location. You can inscribe 20 marks on the display to denote important locations such as wrecks and fishing grounds, or mark radar tar- gets when changing the range. When the memory for marks becomes full, the eldest mark is erased to make room for the latest.

Inscribing marks

Place the cursor on the location desired for a mark and press the MARK (PUSH) control.

Erasing marks

Erasing individual marks

Place the cursor on the mark to erase and press the CLEAR/DELETE key.

Erasing all marks

1)Press the MENU key.

2)Select the MARK & DATA menu and press the ENTER/SELECT key.

3)Select MK ERASE.

4)Press the ENTER/SELECT key.

5)Press the MENU key.

Mark bearing reference

You can display a mark with a relative bearing to own ship (relative) or with reference to the north (True).

1)Press the MENU key.

2)Select the MARK & DATA menu and press the ENTER/SELECT key.

3)Select MODE and press the ENTER/SELECT key.

4)Select REL (or TRUE).

5)Press the ENTER/SELECT key.

6)Press the MENU key.

1.22 The FUNCTION key

The FUNCTION key works similar to the auto- matic dialing feature on a telephone, playing back controls settings just as they were registered. In- stead of manually adjusting controls to set up for navigation in a harbor, for example, you can have the FUNCTION key do it for you.

Presetting the FUNCTION key

Eight target objectives are available and you can assign three sets on the FUNC menu. The eight objectives available are outlined in the table which follows.

1 – 16

FR-8251, FR-8111 specifications

Furuno has long been a leader in marine electronics, and its FR-8251 and FR-8111 radar systems continue that tradition. Both are advanced systems designed specifically for professional mariners who demand high performance, reliability, and technological sophistication in their navigational tools.

The Furuno FR-8251 is a powerful radar system that boasts a range of features tailored for commercial vessels. With a 25 kW transmitter, the FR-8251 delivers exceptional performance, providing a clearer and more detailed image of the maritime environment. It is equipped with advanced signal processing technology, including the Doppler processing feature, which allows for the detection of moving targets. This is highly beneficial for collision avoidance, as it provides accurate information regarding the speed and direction of other vessels.

Another noteworthy feature of the FR-8251 is its large, high-resolution display that enhances visibility and ease of use, even in challenging weather conditions. The user interface is straightforward, allowing for quick adjustments and easy navigation through the various settings. It supports a variety of display formats and allows for customization, enabling operators to tailor the information presented according to their specific needs.

On the other hand, the Furuno FR-8111 is equally impressive and designed as a more compact solution without sacrificing performance. This model comes with a 12 kW output and is specifically crafted for smaller vessels, yet it still delivers high-quality radar coverage. Utilizing Furuno’s renowned Automatic Target Tracker (ATT) technology, the FR-8111 enables mariners to efficiently track multiple targets, significantly enhancing situational awareness.

Additionally, both the FR-8251 and FR-8111 come with integrated ARPA (Automatic Radar Plotting Aid), providing users with sophisticated tools for navigation and collision avoidance. The presence of multiple target tracking empowers operators to make informed decisions, optimizing safety at sea.

Furuno’s commitment to reliability and durability is evident in both models, which are designed to withstand the harsh marine environment. Their robust build quality ensures longevity, while their advanced technologies offer peace of mind.

Both the Furuno FR-8251 and FR-8111 are excellent choices for professional mariners seeking cutting-edge radar systems. With their impressive performance, user-friendly interfaces, and advanced technologies, these radar systems set the standard in marine navigation, providing essential support for safe and efficient voyages.