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-4.1-
CHAPTER 4 OPERATION OF VIDEO PLOTTER
4.1 General
The Video Plotter RP-26 is an optional circuit board which is accommodated in the display
unit of the radar. It permits use of 2 memory cards, a memory card(RAM) for storing the
operator created radar maps, and the other is a chart card(ROM) storing Furuno made digital
charts.
The memory card enables the operator to create radar maps more precisely than the standard
supplied radar map card (150 points per map). 30 navigation lines may be stored and each line
may contain up to 30 vertexes (waypoints). Five nav lines may be simultaneously shown on
the display. 98 waypoints, numbered 1-98, may be stored. The card permanently retains the
data you have entered from the radar display or by Lat/Long positions. Own ship and other
ship tracks may be stored at a selected interval. To display Nav line, RTE and WPL sentences
are necessary. WPL ID sentence received in figure only. The data can be copied for other
ships of the same shipping company.
Charts are superimposed on the radar picture without disturbing the radar observation. The
chart area is dependent on the radar range in use.
The drive for the ROM card can also drive the Electronic Reference Chart (ERC). The ERC is
a digital chart published by the Japanese Hydrographic Bureau. Note it is not an ENC used for
ECDIS.