NEC Express5800 Series User Manual page 34

Chapter 1 About US320f
Environmental requirements:
– Operating
Temperature: 10 to 35ºC
Humidity: 20 to 80%
– Storage
Temperature: –10 to 55ºC
Humidity: 10 to 95%
Close enough to
connect the power
cord
Bipolar grounded
outlet
Do not place US320f in the following places. Otherwise, US320f might malfunction.
 Places with drastic changes in temperature (such as near a heater, air conditioner, or refrigerator)
 Places with strong vibration
 Places subject to corrosive gases (an environment where sulfur vapor may be dispersed in the air)
 Places where chemicals are nearby or chemicals may be sprayed accidentally.
 On a non-antistatic carpet
 Places where objects might fall down easily
 Places where the power cord or interface cable may be stepped or tripped on

Places near a device generating an intense magnetic field (such as a TV, radio, broadcast/communication antenna,
power transmission wire, and electromagnetic crane) (If unavoidable, contact your service representative to request
proper shield construction.)

Places where a power outlet that shares the ground line with another device (especially one with a large power
consumption) must be used for US320f

Places near equipment that generates power noise (for example, contact sparks when powering-on or powering-off
a commercial power supply via a relay). (To install US320f near equipment that generates power noise, ask your
service representative to separate the power wiring or install a noise filter.)
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Observe the following instructions to use US320f safely. Failure to follow these instructions
may cause a fire, personal injury, or property damage. For details, see Precautions for Use.
 Do not install US320f in other than the specified locations.
Express5800/US320f User's Guide
3. Installation and Connection
On a floor or on a flat
and sturdy desk
A dust-free, clean, and
organized room