TABLE OF CONTENTS
1 INTRODUCTION....................................................................................................1
2 OPERATOR SAFETY............................................................................................2
3 BASIC UC4 OPERATION .....................................................................................3
3.1 NORMAL OPERATING SCREEN...............................................................3
3.2 CHANGING TO AUTOMATIC OR MANUAL MODE....................................4
3.3 ADJUSTING THE TARGET HEIGHT (SETPOINT) .......................................5
3.4 VIEWING THE ACTUAL BOOM HEIGHT ..................................................5
3.5 CHANGE THE SYSTEM SENSITIVITY (SENSI) ........................................6
3.6 CHANGING BETWEEN SOIL AND CROP MODE......................................6
3.7 PERFORMING A RETUNE........................................................................7
4 COMMON SYMPTOMS AND SOLUTIONS ......................................................8
4.1 GENERAL OPERATION ...........................................................................8
4.2 SENSOR RELATED ISSUES....................................................................10
4.3 HYDRAULIC RELATED ISSUES .............................................................14
4.4 BOOM INSTABILITY AND MAIN LIFT....................................................18
4.5 ACTIVE AND PASSIVE ROLL ................................................................19
5 UC4 ERROR MESSAGES.................................................................................... 21
5.1 SYSTEM SETUP ERROR MESSAGES ......................................................21
5.2 OPERATIONAL ERROR MESSAGES .......................................................23
6 SENSOR AND ROD ALIGNMENT.................................................................... 25
6.1 WING SENSORS....................................................................................25
6.2 PASSIVE ROLL SYSTEMS......................................................................26
6.3 ACTIVE ROLL SYSTEMS.......................................................................28
7 QUICK REFERENCE .......................................................................................... 30
8 STATEMENT OF LIMITED WARRANTY.......................................................33
