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Chart radar

Significantly improves situation awareness

Features

The new JMA-900B chart radar combines JRC’s renowned radar and highly advanced ECDIS technology, providing reliable performance and significantly improves situation awareness.

Constaview™

The second generation and patented Constaview™ is realized through the use of three high-speed processors (in-house Tornado™ technology). All info gathered by the radar is fully processed within a few milliseconds before displayed, generating a smooth image rotation when sailing in Head-Up mode. When changing to North-Up, the new radar image is displayed without any delay caused by the scanner rotation.

AIS targets

The AIS is an important key device used to indicate AIS target symbol and information. These targets are very useful, as it provides the maneuvering conditions of other ships at a glance, allowing for safe and effective navigation. The name of the vessels, and bearing, range, speed, length, heading and much more AIS target specifics from other ships are received and displayed. The AIS symbols are continuously displayed on-screen without the influence of the radar characteristics. The AIS targets are never shielded by ground, rain or cloud reflections, nor are they eliminated by adjustments of anti-sea or anti-rain clutter. Also, it is easy to active, deactivate and switch between AIS target symbols. This simply can be done with an integrated AIS filter, prioritizing the targets within a dedicated area.

Multi-view

Multiple and wide screen viewing is possible with the new JMA-900B. You can divide the chart screen into two sections, in which the same or different charts can be displayed. There is also a ‘look-ahead’ capability, especially useful in coastal areas. With the wide screen view function, an additional screen in the display area shows a segment of the chart, allows viewing at a glance.

Select a trail length

Other ship’s movement and speed can be monitored from length and direction of their trails, primary serving for collision avoidance. The JMA-900B integrates three different trail length modes that will show a ship’s course instantly, a unique operational feature that allows for more flexibility.

Wide dynamic range receiver

The new JMA-900B series integrates a wide dynamic range receiver that, compared to conventional models, significantly improves the differentiation of noise and targets under sea clutter. The radar system overcomes different sources of unwanted signals, maintaining a constant level of overall visible clutter.

New keyboard design

With its new case design, the keyboard of the JMA-900B series allows you to carry out all radar operations simply by using the keyboard or on-screen by use of the trackball. The responsive feel keys allow logical and precise operation and integrates function keys for one-touch access to EBL, VRM, GAIN, SEA and RAIN. This makes it easy to navigate through all common used tasks.

Clear on-screen info

The JMA-900B series make your images more brilliant than ever with a sharp 23-inch high resolution LCD display. Menu selections, via the keyboard or trackball are clearly shown on the display - allowing at a glance interpretation of the display image. You can also select from multiple background modes in day, dusk, and night mode, and you can adjust the brilliance at your own convenience.

Flexible installation approach

The JMA-900B series are available in standalone and desktop version, designed for a flexible installation approach to suit your type of vessel. The desktop version consists of a processor, dedicated keyboard and high visibility LCD display, sharing the same simple configuration as it predecessor, which contributes to enhanced system configuration.

CCRP

As set by IMO regulations, a Consistent Common Reference Point (CCRP) is a location on own ship, to which all horizontal measurements, such as target range, bearing, relative course/speed, closest point of approach, or time to closest point of approach are referenced. Where multiple antennas are installed, different position offsets for each antenna in the radar system should be applied with respect to the CCRP. If you switch between scanners (up to 8 possible - option), the information displayed is generated allows for consistency and uniform output. This new feature is easily accessible from the menu.

Advanced route planning

The advanced nature of JRC’s new chart radar system allows route planning in different ways. Either plan your route by using the table editor, while displaying current waypoint or graphically draw your next waypoint on the chart. Editing the route is just as simple as inserting. Dedicated menus are readily available to assist the mariner in effective route planning. Not only can you save the routes, but import favorite or commonly used files, even from previous ECDIS models, using industry standard CSV format. During the voyage, you can add an alternative route, which can be displayed simultaneously. You can move, insert, add and delete waypoints instantly and easily exchange the alternative route with route in progress, at your own convenience.

Editing the user maps

The new JMA-900B chart radar provides a rich suite of objects, which you single-handedly can enter, move, insert and add on user maps. The objects consist of symbols, lines, areas and texts. From buoys to buildings and harbor to seabed signals, the ECDIS system has a total of over 40 categories and 30 sub-categories, which include more than 250 graphics readily available for endless possibilities.

User interface

The insightful and simple menu structure can be found on both radar and ECDIS. The consistent visual appeal and intuitive usage is of great importance on the vessels bridge, especially being a working and living environment for thousand of vessels’ officers on a day-to-day base.

Interswitching

Optional interswitching to JMA-900B and JMA-9100 series radar. JRC also produces special interswitch boxes that allow interswitching up to 8 (chart) radars.

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