8Precautions for use Handle carefully.Do not drop the product, or subject it to strong shock or vibration.Do not carry or move the product by the fader lever. This is important to prevent trouble. Use the product in an ambient temperature of 32 °F to 104 °F (0 °C to 40 °C).Avoid using the product at a cold place below 3 °F (0 °C) or at a hot place above 104 °F (40 °C) becauseextremely low or high temperature will adversely affect the parts inside. Power off before connecting or disconnecting cables.Before plugging or unplugging the cables, be sure to switch power off. Avoid humidity and dust.Avoid using the product at a humid, dusty place because much humidity and dust will cause damage to theparts inside. MaintenanceWipe the product using a dry cloth. To remove stubborn dirt, dip a cloth into a diluted solution of kitchendetergent (neutral), wring it out well, and wipe the product gently. Then, after wiping the product with a moistcloth, wipe it again with a dry cloth.• Avoid using benzine, paint thinners and other volatile fluids.• If a chemical cleaning cloth is to be used, carefully read through the precautions for its use.Caution Precaution to be observed during productionThis product’s image switching and image effect functions can be used to produce images which flicker rapidlyor images which change rapidly.However, bear in mind when using these functions in production that the kinds of images produced may havean adverse effect on the viewer’s physical well-being. Handling the optional boardsBe absolutely sure to turn off the power of the product before installing or removing any of the optional boards.Furthermore, when installing or removing the optional boards, take care not to hurt yourself on the edges andmetal parts of the boards. When the product is to be discardedWhen the product is to be discarded at the end of its service life, ask a specialized contractor to dispose of itproperly in order to protect the environment. Concerning the consumable partsCooling fan:This is a consumable part. As a general rule, replace it every years or so (when the unit has beenoperated for 1 hours a day).Power supply unit:This is a consumable part. As a general rule, replace it every years or so (when the unit has beenoperated for 1 hours a day).The period when the consumable parts need to be replaced will differ depending on the operating conditions.When the time comes to replace one of these parts, be absolutely sure to ask your dealer to do the job.