Operating Precautions
4
Installing
To prevent overheating, be sure to leave the specified clearances around the
unit.
• Vents must not be obstructed.
• When rack-mounting the device, fans must be installed above or on top of the
rack to ensure proper ventilation. Be sure that the rack is adequately venti-
lated so that the internal temperature remains at or below 40°C. Continued
use of the device in a high-temperature environment will shorten its service
life. Keep the temperature as low as possible.
100 mm or more
50 mm or more
50 mm or more
Handling the Device
• Do not allow the device to get wet, and do not take measurements with
wet hands. This may cause an electric shock.
• Touching any of the high-voltage points inside the device is very danger-
ous. Do not attempt to modify, disassemble or repair the device; as fire,
electric shock and injury could result.
• To avoid damage to the device, protect it from physical shock when transport-
ing and handling. Be especially careful to avoid physical shock from dropping.
Failure to observe the following precaution may result in bodily injury.
• The device weighs approximately 45 kg (SM7860-07, -27: approximately 32
kg). It should be moved by at least two people, who should grip it using the
handles on the left and right sides.
• The device is heavy. When transporting it, follow your company's workplace
safety standards to assure safety (for example, by wearing non-slip gloves and
protective footwear).