2 Using the Control Box and Lightbars
2.1 Introduction
The control box is a computer that runs the system software. You control the
guidance system with, and are given guidance information by, the following system
components:
l the control box and lightbars
l the remote switches, if installed
l the audible alarm, or beeper
2.2 How the system works
The system uses a variety of different sensors to provide elevation and reach
guidance for the bucket cutting edge. You can use this information to manually
guide the bucket to a specified position relative to a benchmark position or to
measure a slope between two points.
The system is made up of a number of different components and comes in a basic
configuration with optional upgrades:
l AS455 bucket curl sensor
l LC450 stick angle sensor
l AS450 boom angle sensor
l AS460 pitch/roll sensor
l Optional sensors:
AS450 VA boom angle sensor (only required if your excavator has a
variable angle boom, also known as an articulated boom)
AS455 tilt bucket sensor (only required if your excavator makes use of a
tilting bucket)
HS410 Cab Rotation sensor
2.3 Before you start
Before you start to use the system for grade guidance, make sure that the machine
is measured up and the sensors are calibrated.
Machine measure-up is performed when the system is first installed on the
excavator, and normally the machine would only need to be re-measured if
servicing of the machine resulted in the machine dimensions changing or if the
system is moved to a new machine that has not yet been measured up.
20 GCS900 Grade Control System for Excavators Operator's Manual
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