Leica DISTO classic User Manual page 53

WARNING:
Changes or modifications not expressly
approved by Leica Geosystems for
compliance could void the user's authority to
operate the equipment.
Product labelling:
This device complies with part 15 of the FCC
Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any
interference received, including interference that
may cause undesired operation.
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