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vi
TABLE OF CONTENTS
FOREWORD ............................... v
MENU TREE ............................. vii
SYSTEM CONFIGURATION.... viii
1. PRINCIPLE OF OPERATION
1.1 What is Radar? .................................1-1
1.2 How Ships Determined Position
Before Radar ...................................1-1
1.3 How Radar Determines Range ........1-1
1.4 How Radar Determines Bearing ......1-1
1.5 Radar Wave Speed and Antenna
Rotation Speed ................................1-1
1.6 The Radar Display ...........................1-1
2. BASIC OPERATION
2.1 Control Description .........................2-1
2.2 Display Indications and Markers .....2-2
2.3 Turning the Radar On/Off ................2-3
2.4 Transmitting .....................................2-3
2.5 Stand-by ...........................................2-3
2.6 Selecting the Range .........................2-4
2.7 Adjusting Picture Brilliance .............2-4
2.8 Adjusting Receiver Sensitivity ........2-4
2.9 Adjusting the A/C SEA Control
(reducing sea clutter) .......................2-4
2.10 Adjusting the A/C RAIN Control
(reducing rain clutter) ......................2-5
2.11 Selecting the Presentation Mode....2-6
2.12 Erasing the Heading Marker,
North Marker ..................................2-6
2.13 Magnifying Long Range Echoes
(echo stretch) ...................................2-6
2.14 Measuring the Range .....................2-7
2.15 Measuring the Bearing ...................2-7
2.16 Using the Offset EBL ....................2-8
2.17 Shifting (off centering) the Picture 2-9
2.18 Zoom ..............................................2-9
3. ADVANCED OPERATION
3.1 Basic Menu Operation .....................3-1
3.2 Index Lines ...................................... 3-1
3.3 Suppressing Radar Interference .......3-2
3.4 Selecting Pulsewidth ........................3-2
3.5 Displaying Navigation Data ............ 3-3
3.6 Echo Trail......................................... 3-4
3.7 Guard Alarm .................................... 3-4
3.8 Watchman ........................................ 3-6
3.9 OTHER MENU Description............ 3-7
3.10 Function Keys ................................3-8
3.11 Adjusting Brilliance of Markers .... 3-8
3.12 Suppressing Second-Trace Echoes 3-8
3.13 Suppressing Noise ......................... 3-8
3.14 Outputting Target Position ............. 3-8
3.15 Tuning the Receiver ....................... 3-8
4. FALSE ECHOES
4.1 Multiple Echoes ............................... 4-1
4.2 Side-lobe Echoes ............................. 4-1
4.3 Indirect Echoes ................................ 4-2
4.4 Blind and Shadow Sectors ............... 4-2
5. MAINTENANCE & TROUBLE-
SHOOTING
5.1 Preventive Maintenance................... 5-1
5.2 Replacing the Fuse ...........................5-1
5.3 Troubleshooting ...............................5-2
5.4 Self Test ........................................... 5-3
5.5 Life Expectancy of Magnetron ........5-3
6. ARP-10 (OPTION)
6.1 General .............................................6-2
6.2 Keys Used for Auto Plotter ..............6-2
6.3 Activating the Auto Plotter .............. 6-3
6.4 Manual Acquisition ..........................6-4
6.5 Automatic Acquisition ..................... 6-4
6.6 Terminating Tracking of Targets ......6-5
6.7 Displaying Target Data .................... 6-5
6.8 Mode and Length of Vectors ............6-6
SPECIFICATIONS ................ SP-1
INDEX .....................................IN-1
Declaration of Conformity
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