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BA 590 Boom Angle Indicator System by Greer Company |
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 The Greer Company BA590/591 Angle indicator system™ is used during setup and operation of the crane to display
the boom angle and to set and display boom angle limits. The system provides visual and audible
warning alerts if the set limit(s) (are) exceeded.
The display shows the current working boom angle for the crane as a numeric value and as a
moving bar meter. Two available alarm limits can be set by the operator: - a high angle limit
(exhibited on the display as a left pointing arrow) and a low angle limit (exhibited on the display
as a right pointing arrow).
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