Magnets Keep the instruments, target card, and grade rod away from cardiac pacemakers. The magnets of the instrument and laser target plate generate a field that can impair the function of cardiac pacemakers. Keep the instruments, target card and magnetic rotating mounts away from magnetic data medium and magnetically sensitive equipment. The effect of the magnets of the instrument, receiver, target plate, and grade rod can lead to irreversible data loss. Instrument Use and Care DO NOT use the laser if the Pendulum Lock/Unlock Switch 3 does not turn the laser on or off. Any instrument that cannot be controlled with the switch is dangerous and must be repaired. Follow instructions in the Maintenance section of this manual. Use of unauthorized parts or failure to follow Maintenance instructions may create a risk of injury. FCC Cautions This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Consult the dealer or an experienced radio/TV technician for help.
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