User manual RAYMARINE ST50 PLUS RADAR SYSTEM

[. . . ] Distributed by Any reference to Raytheon or RTN in this manual should be interpreted as Raymarine. The names Raytheon and RTN are owned by the Raytheon Company. Autohelm' RADAR Operation and Installation ST50 PLUS RADAR Operation and Installation Handbook Autohelm and SeaTalk are registered Trade Marks of Autohelm Limited Autoheims poiicy of continuous improvement and updating may change product specifications without prior notice Copyright Autohelm 1994 ST50 PLUS RADAR Operation and Installation Handbook Warning This radar equipment must be installed and operated in accordance with the instructions contained in this manual. Failure to do so can result in personal injury and/or navigational inaccuracies. The radar display unit contains high voltage. [. . . ] To avoid ground loops DO NOT CONNECT the sensor cable shield to ground. 2 - 24 ST50 PLUS RADAR Operation and Installation Handbook Section 3. Operation In order to access the full charting and alternate screen operations of the ST50 radar, a simple connection between your Raychart 600Xx and the display must be made. If your unit does not have the Raychart option already installed, then you will need the Raychart option kit MDYW10417. When the Raychart unit is first turned on, the radar will detect the incoming signals and will switch instantly to the Raychart screen. Pressing the ml key can select the full screen display of the charting presentation at any time. Section 3. Operation 3. 1 Introduction 1 2 Congratulations on selecting the Autohelm ST50 LCD Radar to fulfill all of your radar navigation requirements. The ST50 Radar besides being an outstanding Radar System by itself, combines the operation of Chart Plotting with those of Radar Navigation. This Section of the manual provides the descriptions and instructions for all of the operations and features within this radar system. For first time users of Radar we have included some basic information on the general principles of how radar works to start, this should provide you with a basic understanding of how the controls affect the radars operation ;and display. 3-10) begins the actual description of the front panel controls along with an explanation of how they work. This section begins by describing the keypad layout and the various display screens of the ST50 Radar. A fold-out page with a drawing of the display and locations of all the controls and display data is provided on page 3-l 1 (FIG. 3-2) for your reference while reading about these controls. As you are reading through this section of the manual you will notice that when operations can for keys to be pressed to complete entries, the keys are highlighted in key shaped boxes. To keep the operation of the ST50 Radar simple and as automatic as possible, the Radar uses many on-screen menus, messages, and prompts to help guide you through various operations. You should master the unit very quickly and the approach you should take, while becoming familiar with the operations, is one of relaxed confidence. 3 MOLDED CABLE END: . !- MOLDED CABLE END: 4 SHIELD SHIELD 5 WW 0. w v-D1) (LD-4 (LW (LOAD) (FRAME) (LCD CLK) 6 (SPARE) 9 WW VW (LDO (LW KW LOAD (H. SYNC) L C D C L K (CLZ) 6 >:J Interface Cable 6623011-l Fig. 2-17 Radar/Raychart interconnection 3-2 ST50 PLUS RADAR Operation and Installation Handbook Section 3. Operation 3. 2 Radar Map The radar display is a map-like representalion of the area in which the radar is operating. Typically, the ship's position is at the center of the display or sometime may be repositioned or offset up to 66% of the radius anywhere on the screen in the OFFSET MODE. The ship's dead ahead bearing is indicated by the heading line at the 0" bearing with every revolution of the sweep trace. Coastline contours are generally depicted in solid filled blue echo areas. [. . . ] (c) BEARING When connected to a navigator such as a Loran-C or GPS, this radar has three bearing modes available. They are "Relative", "Magnetic" and "True". The "Relative" mode allows the operator to determine bearing to objects displayed on the radar screen relative to own ship's heading. These bearings are taken by utilizing the EBL or the cursor. [. . . ]