Raymarine ST50 plus Specifications download pdf (Page 10)

ST50 PLUS RADAR Operation and Installation Handbook

The compact design of the display unit is made possible by the use of

custom LSI (Large Scale Integrated circuit) components. An LSI type

of “chip” contains, in one package, the equivalent of up to 30

integrated circuits. Thus compact size, power efficiency, and full

radar navigation features at an economical price are all “standard” in

the ST50 radar system.

1.2.2 Radome Antenna Unit Main Features

The antenna and transceiver are contained within the 18 inch radome

assembly, the radome is made of AES plastic and has a single-flange

mounting. The radome protects the electronic assemblies from the

environment, yet is transparent to the radar’s RF energy, thereby

allowing full performance. A small, flexible interunit cable connects the

Radome Unit to the Display Unit.

The radome cover is secured to the pan base by four clamping bolts

and is provided with a heavyduty rubber

gasket

to completely seal the

unit from the weather and salt spray.

Inside, the radome features a printed-circuitcard array. This technically

innovative antenna provides a narrow 6’ beamwidth for excellent short

;

range resolution and high gain in a very compact antenna package.

The internal X-band transmitter operates at a 2

peak power, with

a sensitive micro-integrated circuit

(mic)

front end receiver. j

The construction of the antenna unit is modularized, so repairs, should

they be required, can be made quickly and cost-effectively.

Section 1. Introduction

1.3 About This Manual

This manual contains important information to help you get the best

operation and performance from your new ST50 and its associated

optional equipment. Although the unit is actually pretty simple to

master, please take the necessary time to read through each section.

Section 2 containsveryimportantinformationon the proper installation

of your new ST50 Radar. Although the typical installation might seem

straight forward and simple, we highly recommend that this section be

read thoroughly and the guidelines for installation be closely followed

to obtain trouble-free and efficient operation of your new units.

Section 3 contains a brief discussion of the general principles of radar,

along with the operating instructions for the ST50 Radar which will

guide you through the unit? operating controls and display layouts. To

more easily recognize how to enable the various operations, the

names of the keys that must be pressed to complete the described

operation are enclosed

boxes, such as

, or

-1.

In most cases, pictures, showing the correct

displays to obtain the desired entry, are included next to each function.

The best way to learn about your ST50 is to dive right in. You can’t

damage the unit by randomly pressing keys. So don’t be afraid to

experiment. In Menu mode, if at any time the results appear confusing,

just push

themhey

twice in order to return to the Main menu, and

start again.

In the event that your ST50 should ever experience an operational

failure, it is recommended that all repair services be provided by an

authorized service dealer or by the Factory Service Center.

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Raymarine ST50 plus Specifications Page 10

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