User's Manual Part 1

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ITRODUCTIO

1.1

Overview

The GS820 system includes the cabin mounted

GS820 radio display and compatible crane

mounted sensors. The GS820 creates a two-way

radio network with the sensors to bring required lift

data to the operator. Hoist load, boom and jib

angles, boom length, wind speed and pending two-

block can be detected and then indicated to the

operator in real time. Working load radius can be

calculated and compared to a rated capacity chart

(if programmed). Furthermore the GS820 can be

programmed to generate warnings, alarms and

lockout commands, all triggered by adjustable

thresholds and limits. All these events can be

recorded by the data logger with a time and date

stamp. The exact operational function of the

GS820 system depends on the sensor

configuration used and the rated capacity charts

programmed (where applicable). The GS820

includes a USB port to facilitate software and chart

updates and data logger downloads using a USB

mass storage device (USB key).

1.2

Start-Up

The GS820 must be correctly programmed for the

system sensors installed. Once a reliable radio

communication network is established, the display

lights will remain lit without flashing. If a sensor is

missing or has a problem, a message will be

displayed on the LCD (liquid crystal display).

This process may take up to one minute. The delay

is created by the battery management function.

Press Bypass/Exit to temporarily bypass crane

function lockout caused by a missing sensor. If

rigging requires a crane configuration outside of the

limits defined by the rated capacity chart selected,

out of chart alarms can be avoided by placing the

the display in "rig mode". If the rig mode is enabled

in the display, press Bypass/Exit for 10 seconds

to activate it. If the rig mode is not available, contact

your

LSI

LSI representative or

LSI

LSI technical support

representative.

INTRODUCTION

GS050 Anti-Two-

Block Switch

GS075 All-In-One

Anti-Two-Block

Switch and weight

GS101 Angle and

Length Sensor

GS820 Display

GC Series

Load Cell

Figure: Key components in a typical system installation. Your product may vary. Not to scale.

WARNING!

The GS820 system is designed

as an operator aid and is in no way a

substitute for safe operating practice.