Onwa Marine Electronics KR-12X8 - Manual (Page 5)

1. PRINCIPLE OF OPERATION 7
2. BASIC OPERATION 9
1.1 What is Radar? 7
1.2 How Ships Determined Position Before Radar 7
1.3 How Radar Determines Range 7
1.4 How Radar Determines Bearing 7
1.5 Radar Wave Speed and Antenna Rotation Speed 7
1.6 The Radar Display 8
2.1 Control Description 9
2.2 Display Indication and Markes 10
2.3 Turning the Radar On and Off 11
2.4 Transmitting 11
2.8 Stand-by 13
2.9 Selecting the Range 14
2.10 Adjusting Picture Brilliance 14
2.12 Adjusting Receiver Sensitivity 15
FOREWORD 1
KR-1238/1538 SPECIFICATION 2
KR-1268/1568 SPECIFICATION 4
CONFIGERATION OF KR-1238/1268/1538/1568 6
2.11 Setup display color 15
TABLE OF CONTENTS
2.5 Echo area 11
2.6 11 Reference Position
2.7 Own Ship Marker 13
2.13 Adjusting the A/C SEA Control (reducing sea clutter) 16