DWR-921 Quick Installation Guide
SAFETY RULES AND CONDITIONS
Please carefully read this section before installation and connection of the
device. Make sure that the power adapter and cables are not damaged. The
device should be used only as intended in accordance with the documents.
The device is intended for use in dry, clean, dust-free, and well ventilated
areas with normal humidity away from strong heat sources. Do not use the
device outdoors or in the areas with high humidity. Do not place foreign
objects on the device. Do not obstruct the ventilation openings of the device.
The environmental temperature near the device and the temperature inside the
device's cover should be within the range from 0 °С to +40 °С.
Only use the power adapter supplied with the device. Do not plug in the
adapter, if its case or cable are damaged. Plug the adapter only into working
electrical outlets with parameters indicated on the adapter.
Do not open the cover of the device! Unplug the device before dusting and
cleaning. Use a damp cloth to clean the device. Do not use liquid/aerosol
cleaners or magnetic/static cleaning devices. Prevent moisture getting into the
device or the power adapter.
The service life of the device is 2 years.
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