Spectra - HR220

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Contents

Introduction HR220 Receiver User Guide www trimble com rTrimble Thank you for choosing the Spectra Precision Laser Receiver HR220 from the Trimble family of precision instruments The HR220 is a battery operated laser receiver that detects a pulsed line laser beam and indicates its position relative to the beam using an LCD and simultaneous LEDs Before using the receiver be sure to read this user guide carefully Included in it is information about setting up using and maintaining the receiver Also included in this manual are CAUTIONS and Notes Each of these words represents a level of danger or concern A CAUTION indicates a hazard or unsafe practice that could result in minor injury or property damage A Note indicates important information unrela ...