5EXAMPLE OF ANTENNA GROUNDING AS PER THENATIONAL ELECTRICAL CODECONDENSATIONMoisture will form in the operating section of the unit if the unit is brought from cool surroundings into a warmroom or if the temperature of the room rises suddenly. When this happens, the unit's performance will beimpaired.To prevent this, let the unit stand in its new surroundings for about an hour before switching it on, or make surethat the room temperature rises gradually.Condensation may also form during the summer if the unit is exposed to the breeze from an air conditioner. Insuch cases, change the location of the unit.25. LASER BEAMDo not look into the opening of the disc tray or ventilation opening of the product to see the source of thelaser beam. It may cause sight damage.26. DISCDo not use a cracked, deformed, or repaired disc. These discs are easily broken and may cause seriouspersonal injury and product malfunction.27. NOTE TO CABLE TV SYSTEM INSTALLERThis reminder is provided to call the CABLE TV system installer’s attention to Article 820-40 of the NEC thatprovides guidelines for proper grounding and, in particular, specifies that the cable ground shall be con-nected to the grounding system of the building, as close to the point of cable entry as practical.TO USE AC POWER SOURCEUse the AC polarized line cord provided for operation on AC. Insertthe AC cord plug into a standard 120V 60Hz polarized AC outlet.NOTES:• Never connect the AC line cord plug to other than the specifiedvoltage (120V 60Hz). Use the attached power cord only.• If the polarized AC cord does not fit into a non-polarized ACoutlet, do not attempt to file or cut the blade. It is the user’sresponsibility to have an electrician replace the obsolete outlet.• If you cause a static discharge when touching the unit and theunit fails to function, simply unplug the unit from the AC outletand plug it back in. The unit should return to normal operation.Polarized AC Cord Plug(One blade is wider than the other.)AC OutletWider Holeand BladePower sourceANTENNADISCHARGE UNIT(NEC SECTION 810-20)ANTENNA LEAD IN WIREGROUNDING CONDUCTORS(NEC SECTION 810-21)GROUND CLAMPSPOWER SERVICE GROUNDINGELECTRODE SYSTEM(NEC ART 250, PART H)GROUND CLAMPELECTRIC SERVICEEQUIPMENTNEC-NATIONAL ELECTRICAL CODES2898AIMPORTANT SAFEGUARDS / Power Source5L00101AE(02-05) 2/25/04, 3:07 PM5