• The electronic pen can only be used while the projector is in Interactive Mode. For details about
how to configure the projector, see page 84 "Enabling Interactive Mode".
Installing a Rechargeable Battery into the Electronic Pen
• For safe operation, follow the warnings below regarding the batteries. If you use the batteries
incorrectly, it may result in fire or injury due to batteries leaking or exploding.
• Do not use batteries other than the ones specified.
• Do not mix and use batteries that are different types or that are new and old.
• Correctly insert batteries according to the polarity ( / ).
• Do not charge non-rechargeable batteries.
• Do not heat or throw the batteries into fire or water.
• Do not connect the positive and negative terminals on a battery with a wire.
• Remove the batteries that are past their suggested use period or that are depleted.
• Remove the batteries when they will not be used for extended periods.
• Keep the batteries out of the reach of children. Children may swallow or choke on the
batteries. If this happens, contact a doctor immediately.
6. Using the Interactive Function (RICOH PJ WX4152NI only)
96