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W450321A 09/12
5.1 Calibration Mode
The Greer Insight is an aid to crane operation. Use this system with an operator trained in Safety
Guidelines, crane capacity information, and the crane manufacturer’s specifications.
When the computer is new, it has no “Zero” or “Span” calibrations. It is necessary to enter “Zero” and
“Span” settings for accurate length and angle calculations.
Tools Needed:
• Digital level accurate to 0.1°
• 150-200ft. tape measure graduated in tenths of a foot
• Digital multimeter
Pre-Requisites for Calibration
• The crane must be properly set on level ground per the Manufacturer’s specifications.
• Maximum boom height will be needed. It is necessary the area is free of overhead obstructions.
• All options such as Jibs, Fly’s, and Auxiliary Heads must be configured in the computer.
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