Rion NC-74, Instruction Manual

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Precautions
Operate the unit only as described in this manual.
Do not use or store the unit in locations which may be
- subject to splashes of water
- subject to high levels of dust
- subject to direct sunlight
- subject to vibrations or shock
- subject to air with high salt or sulphur content, or to gases, or are in the vicinity
of stored chemicals
- outside of the specifi ed temperature and humidity range
- subject to drastic temperature changes and to condensation
Store the unit in the desiccator in locations subject to high temperatures and high hu-
midity.
Do not use the unit for any purpose other than calibrating sound level meters or mi-
crophones.