Chapter 2 Setup Precautions for Installation When handling DM-D500, be careful of the following points: • Do not install DM-D500 in locations with high temperature and humidity, or with extreme temperature dif- ferences. • Avoid installing in dirty or dusty locations. • Avoid installing on unstable locations, or in locations subject to frequent vibrations • When connecting or disconnecting a cable, be sure the customer display and system are turned off. • The DM-D500 includes a vacuum fluorescent display. When handling, be careful not to drop or hit it. • When handling the product, do not lift it by the modular cable. Also, do not pull on the modular cable. 2 29