Raymarine Raytheon R20X Manuals

Manuals and User Guides for Raymarine Raytheon R20X. We have 1 Raymarine Raytheon R20X manual available for free PDF download: Instruction Manual

Raymarine Raytheon R20X Instruction Manual (97 pages)

Raster Scan Radar Systems

Brand: Raymarine | Category: Radar | Size: 4.95 MB

General Description
3
System Description
4
Display Units
4
Cable Requirements
5
Scanner Unit R20X
5
Interunit Cable
5
Scanner Unit R21X
6
Basic System Components
7
Specifications
8
Cable Information
12
Specification of Composite Cable
13
Composite Cable
13
Installation
14
Unpacking and Inspection
14
Equipment Supplied
14
Spare Parts
15
Planning
15
General System Diagram
15
Installation of Scanner Unit
16
Selecting the Location
16
Mounting the Scanner Unit
16
Installing the Radome Scanner
17
Sail Beat Mast Mounting
18
Universal Mast Mount
18
Typical Installation for Sailboat Showing Inline Connection Mast Base
18
Connecting the Cable in the Radome Antenna
19
Typical Wiring at Radome Scanner
19
Connecting Procedure for Radome Scanner Unit
20
Scanner Unit Assembly
21
Array/Scanner Unit Assembly Procedure
21
Mounting the Open Array Scanner Unit
22
Mounting Dimensions
22
Cabling the Scanner Unit
23
Typical Mounting Locations
23
Scanner Unit Cable Connection Procedure
23
Wiring Diagram for X Series Open Array Scanner Unit
25
Installation of Display Unit
26
Mounting the Display Unit
26
Console Mounting the Display Unit
27
DC Power Connection
28
Grounding the Radar System
28
Power Cable Size Versus Length
28
Connection to Loran C Receivers
29
Sample Navigator Connections
29
The BNC Connector Assembly Procedures
30
Installation of the Magnetic Flux Sensor
31
Minimum Mounting Distances
31
General Magnetic Flux Sensor Wiring
32
Typical Magnetic Flux Sensors Outline Diagrams
33
External Alarm
34
Typical Magnetic Sensor Outline Diagram
34
Initial Operation and Checkout
35
Inspection after the Installation
35
Operational Checkout
35
Post Installation Set up Adjustments
35
Display Timing
37
0 NM Adjustment
37
Timing Preset
38
STC Preset
38
Buzzer Volume Adjustment
38
AVR Voltage Adjustment
38
Comparator Level Adjustment
39
Operation
40
Operating Controls
40
Functions of the Controls
40
Range Scale up and down Keys
40
Layout of Display and Controls
41
Tune Control
42
Gain Control
42
Relation of Range, Rings and Pulse Length
42
Sea Clutter Control
43
Rain Clutter Control
43
Variable Range Marker Controls
43
Electronic Bearing Line Controls
44
Off Center Key
44
Zoom Key
45
Mode Key
46
LL/TD Key
47
Waypoint Key
47
Alarm Key Operation
49
Making Special Zones
50
Alarm Zone Memory
50
Memorizing an Alarm Zone
50
Target Expander Key
51
Interference Rejection Key
51
Ship's Heading Marker Key
51
Range Rings Key
51
Timed TX Key
52
Brilliance/Dimmer Key
52
To Turn Timed TX Mode on
52
To Turn Timed TX Mode off
52
Using the Controls
54
Interference Rejection
55
Expansion Mode
56
Radar Interference
56
Navigation with the Radar
57
Obtaining a Position Fix
57
Collision Avoidance Techniques
57
Determining Your Radar Line-Of-Sight Range
58
Radar Horizon
58
False Echoes
59
Side Echoes
59
Indirect Echoes
59
Multiple Echoes
60
Ghost Echoes
61
Shadows
62
Maintenance
63
User Preventive Maintenance
63
Radome Scanner
64
Lubrication
64
Mounting
64
Open Array Scanner
65
The Antenna Array
65
Rotating Drive Unit
65
Scanner Oil Seal
67
Scanner Unit Interior
67
Display Unit
68
Adjustment and Fault Finding
69
Adjustments Upon Replacing Components
69
CRT Monitor Adjustment
70
Tune Indicator Adjustment
71
Troubleshooting
72
Fault Finding
72
Fuse
72
Operation Check List
73
Fuses Used
73
Troubleshooting Guide
74
Typical Voltages and Resistances
76
Radome Radar
77
Open Array Radar
77
Of Transistors Used
79
Of Diodes Used
80
Of Integrated Circuit Used
81
Technical Description
82
Motor-Encoder
83
Radiator Rotating Mechanism
83
Bearing Reset Sw
83
Radiator Pattern
84
Bearing Reset Circuit
84
Transmitter
85
Modulator
85
Range, Pulse Length, and PRG Relationships
85
Magnetron Transmitter
86
Circulator and Diode Limiter
86
Time Table of the Transmitter
86
Receiver Unit Block Diagram
87
MIC Frontend
88
Receiver PCB
88
Power Supply Unit
89
Main Control PCB
90
Video Input Circuit
90
A/D Converter
90
Sampling Clock Generator
90
Video Processor Circuit
91
Video Memory
91
Graphic Control Memory
92
Video Output
92
Optional Inputs
92
Control PCB
93
Power Supply PCB
93
Display Monitor
94
Interunit Wiring X Series Radar
95
Outline Drawing of R20X/R21X Display Unit
96

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Raymarine Raytheon R20X Instruction Manual (97 pages)

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