InstallationHelpful Hints:For frequent remote control users, replace old batterieswith alkaline batteries for longer life.Helpful Hints:Whenever you remove the batteries, you may needto reset the remote control infrared codes. Werecommend that you record the code on page 60, priorto setting up the remote control./_ Precaution on battery useIncorrect installation can cause battery leakage and corrosion that will damage the remote control transmitter.Observe the following precautions:1. Batteries should always be replaced as a pair. Always use new batteries when replacing the old set.2. Do not combine a used battery with a new one.3. Do not mix battery types (example: "Zinc Carbon" with "Alkaline").4. Do not attempt to charge, short-circuit, disassemble, heat or burn used batteries.5. Battery replacement is necessary when the remote control acts sporadically or stops operating the projection TV set.Replacing the lamp unitThe lamp unit is sold separately. To purchase a replacement, call the Panasonic accessory department, toll free at:1-800-332-5368. (USA only)Lamp unit Part No. : TY-LA2000Lamp unit replacement perio dThe lamp unit for the projection "IV should be replaced after approximately 5,000hours of use in the normal usage mode.• Warning display after 5,000 hours of useWhen the power has been turned on after over 5000 hours of continued use,LAMP REPLACE will be displayed for approximately 1 min.A warning message to urge the replacement of the lamp will be displayed inred at the center of the screen.LAMP REPLACEImportant Points to keep in mindWhen replacing the lamp unit with a new one, pay attention to the following points.Warning:• Because the temperature of the lamp unit is elevated immediately after its use, a direct touch to it may cause burns.Please allow the lamp to cool before handling or replacing the lamp unit.Cautions for Lamp Unit Replacement:• Handle the removed old lamp unit carefully. If abusing it, it may have a risk of explosion.• Wear gloves when replacing the lamp unit.• If replacing the lamp unit becomes necessary during the operation of the TV, follow the procedure below to turn off thepower and wait until the lamp unit cools completely.1. Press the POWER button on the remote control unit to turn off the power.2. Wait for about 90 seconds until the cooling fan stops.The lamp cooling fan will continue to operate for about 90 seconds after turning off the power. Do not unplugthe power cord from the outlet until the fan has stopped. Avoid interrupting the power line such as by usingcircuit breakers or switchable power strips.3. Unplug the power cord from the outlet.Refer to the instructions enclosed with the lamp unit (part no.: TY-LA2000)when replacing the lamp.7