iiiPRECAUTIONSRWARNING! NEVER connect the OPC-254L to anAC outlet. This may pose a fire hazard or result in an electricshock.NEVER expose the receiver to rain, snow or any liquids.The receiver may be damaged.NEVER operate or touch the receiver with wet hands. Thismay result in an electric shock or damage the receiver.AVOID using or placing the receiver in direct sunlight or inareas with temperatures below 0°C (+32°F) or above +60°C(+140°F).AVOID the use of chemical agents such as benzine or al-cohol when cleaning, as they can damage the receiver’s sur-faces.DO NOT use the supplied CD for any other devices.The CD is for the IC-PCR1500/R1500, IC-PCR2500/R2500only.DO NOT turn the Main unit power OFF or disconnect theUSB cable between the Main unit and PC while IC-PCR1500or IC-PCR2500 control software is running. This may resultin the computer hang up.DO NOT start vehicle engine while the IC-PCR1500 or IC-PCR2500 control software is running when optional CP-12L isconnected to a cigarette lighter socket. This may result in thecomputer hang up.DO NOT leave the Main unit for long time with powerswitch ON condition, because approx. 55 mA current is stilldrained. This cause vehicle’s battery will become exhausted.For DC power operation(while connecting an OPC-254L or CP-12L)NEVER connect the receiver to a power source of morethan 13.9 V DC. This will damage the receiver.NEVER connect the receiver to a power source using re-verse polarity. This will damage the receiver.NEVER cut the DC power cable between the DC plug andfuse holder. If an incorrect connection is made after cutting,the receiver may be damaged.If a connection cable is disconnected or has a loose connec-tion during operation, an error may occur. Connect the con-nectors correctly, and DO NOT touch the connectorsduring operation.