| 摘要 |
An apparatus for use with a compact self-leveling construction laser for the purpose of allowing the user to remotely call or page the measurement beam to his location using a retroreflector. The apparatus uses an auxiliary plumb beam provided by the construction laser for scanning the job site in search of the cooperative reflector. The invention consists of a construction laser, motor driven turntable assembly to which the construction laser is attached and a cooperative reflector carried by the operator.
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