1
Foreword
Thank you for purchasing the Topcon RL-H3A/B Rotating Laser.
To quickly and effectively use the RL-H3A/B, please read these brief instructions carefully,
and keep them in a convenient location for future reference.
Handling Precautions
Before starting work or operation, be sure to check that the instrument is functioning cor-
rectly with normal performance.
1 Vibration and Impact Protection
When transporting the instrument, provide protection to minimize risk of severe vibration or impact.
Severe vibration or impacts may affect beam accuracy.
2
Checking battery power.
Before operating, check remaining battery life.
3 Storing the instrument for long period
Remove the batteries from the instrument when you will not be using it for long period.
Caution:
Use of adjustment controls or performance procedures other than those specified herein
may results in hazardous radiation exposure.
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