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4. The equipment should be avoided of being exposed in the rain or water
inflow. The equipment should be put inside the suitcase or be prevented
from rain in rainy days. Turn the power off immediately if clean water
flows in; fling out the water though the bottom part and blow dry it in a
ventilated place. Waterproof suitcase is suggested to be equipped if the
equipment is often in the open air.
5. The equipment should be sealed with plastic bag if the operator enters
in a room with central heating from the outside in winter. If there is dew
formation on the apparatus, firstly KC901S should be put near the
radiator to be dried, and then the equipment can be powered on. But it is
necessary to pay attention to the temperature.
6. It is no good for maintaining good battery life if power shortage
warming appears or power off. A long-term floating is banned. When the
charger is connected for a long time in work, batteries should be
removed.
7. When KC901S lies idle, the battery should be 8.0V for storage. During
that time, it is better to annually charge once at least to 8.0V. It is
suggested to remove batteries before a long-term storage.
8. Do not keep the equipment close to high-powered transmitting
antenna. Do not kept interphone close to transmission.
9. Ionizing radiation may do harm to the equipment. In addition, neutron
irradiation makes irreversible damage.
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