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TABLE OF CONTENTS
FOREWORD
A Word to CSH-73 Owners ...................................................................................................... v
Features..................................................................................................................................... v
System Configuration ..............................................................................................................vi
CONTROL DESCRIPTION
Control Layout on Display Unit and Remote Control Box ...................................................1-1
Main Panel.............................................................................................................................1-2
Sub Panel 1 ............................................................................................................................1-4
Sub Panel 2 (data setting window) ........................................................................................1-5
Remote Control Box ..............................................................................................................1-8
OPERATIONAL OVERVIEW
Turning the Power On/Off .....................................................................................................2-1
Adjusting Screen Brilliance, Control Panel Backlighting .....................................................2-1
Lowering the Transducer .......................................................................................................2-1
Selecting a Display Mode......................................................................................................2-2
Selecting a Display Range .....................................................................................................2-3
Setting the Tilt Angle .............................................................................................................2-3
Adjusting the Gain.................................................................................................................2-4
Measuring Range and Bearing to a Target.............................................................................2-4
FINE TUNING THE PICTURE
Eliminating Unwanted Feeble Echoes...................................................................................3-1
Suppressing Seabed Tail ........................................................................................................3-3
Suppressing Seabed and Sea Surface Reflections in Shallow Waters ...................................3-4
Rejecting Sonar Interference and Noise ................................................................................3-4
Adjusting Beamwidth ............................................................................................................3-7
MARKS AND DATA
Marks, Data and Display Mode .............................................................................................4-1
Permanently Displayed Marks and Data ...............................................................................4-3
Erasable Marks and Data .......................................................................................................4-4
USER MENU OVERVIEW
USER Menu Operation..........................................................................................................5-1
USER Menu Description .......................................................................................................5-3