11Precautions for InstallationIn addition to the safety precautions given in “Read this first!”, also observe the following instructions.Be sure to ask your dealer to perform the installation and connectionwork for the unit.Connecting a power supplyzz Be sure to use the power cable supplied with theunit.zz The power cable supplied with the unit has a3-prong plug with a ground terminal.Connect it to a 3-prong outlet with a groundcontact.zz Connect the ground terminal (SIGNAL GND) on the rear of the unit tothe system ground.zz When the unit will not be used for a long time, turn off the powerswitch and remove the power plug from the outlet to save power.Handle carefullyzz Dropping the unit or subjecting it to a strong impact or vibration maycause a failure or accident.Do not allow any foreign objects to enter inside the unitzz Allowing water, metal items, food or drink, or other foreign objects toenter inside the unit may cause a fire or electric shock.Installation locationzz This unit is designed for indoor use only.zz Do not install the unit in a cold place where the temperature dropsbelow 0 °C (32 °F) or in a hot place where the temperature risesabove 40 °C (104 °F).zz Avoid installing the unit where it will be exposed to direct sunlight ornear an outlet from which hot air is blown out.zz Installing the unit in a location with a lot of humidity, dust, or vibrationmay result in a failure.Mounting the unit in a rackzz Use the unit securely mounted in a standard 19-type rack (depth:600 mm or more) compliant with EIA standards or equivalent.zz Securely fix the unit in place using screws that are appropriate for therack.zz Be sure to attach a support guide for supporting the rear of the unit.(Provide a support guide that is appropriate for the rack.)Support guideInstallation in a rack