NEC DT20 User Manual - Page 17
Remote Control Operations, Battery Replacement
UPC - 050927239410
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■ Remote Control Operations Part Names and Functions • Use the remote control within about seven meters (7.7 yards) from the remote control sensors (on the front and rear sides) of the projector and within 10 degrees to the left and right. This distance may become shorter as the battery wears down. • The remote controller does not work if there are obstacles between the remote control and the remote sensor on the main unit. ■ Battery Replacement 1. Remove the battery compartment cover by pushing in the claw and lifting the cover up. 2. Install two batteries in the battery compartment, making sure that they are aligned as indicated by the (+) and (-) marks. 3. Return the battery compartment cover to its original position. CAUTION Handling the remote controller • Do not subject the remote controller to such severe impact as dropping it on the floor. Doing so may damage it and cause it to cease functioning. • Keep the remote sensor away from water. Wipe the remote controller immediately if it gets wet. • Avoid heat or hot water. Remove the dry cells when you are not using the remote controller for a long period of time. • Do not mix new and old dry cells, or use different types of dry cells at the same time. • Do not disassemble or heat batteries, or throw them into a fire. • Follow your local government's disposal instructions for used dry cells. • The remote controller may not work when it is used near inverter-driven equipment. • The remote controller may not work or may work ineffectively when it is used near inverter-driven fluorescent lighting. NOTE • When replacing the batteries, buy AA batteries. • Ni-Cad batteries or other chargeable batteries cannot be used. Use manganese batteries or alkaline batteries. E-17